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Browse Plants

Narrowed By:Moisture: Dry, Dry to Medium
Displaying 1 - 423 of 423 listings   1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22View All Sort By: Sort
Abelia × grandiflora Abelia × grandiflora
(Glossy abelia)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a rounded, semi-evergreen shrub to 10 feet tall and 12 feet wide with glossy, dark green leaves. From midsummer to autumn, it produces fragrant, funnel-shaped white flowers that are tinged with pink.

Abelia × grandiflora 'Confetti' Abelia × grandiflora 'Confetti'
(Variegated glossy abelia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Confetti' offers finely textured medium green foliage variegated with creamy white and pink. Pale pink tubular flowers appear in late summer or fall. This rounded, semi-evergreen shrub grows to about 3 feet tall and 4 feet wide.

Acaena inermis 'Purpurea' Acaena inermis 'Purpurea'
(Purple sheep's burr, Purple goose leaf)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This New Zealand native subshrub has 3-inch-wide scalloped leaves and little purple-brown to pale olive leaflets. Its rhizomatous roots spread in a mat to support this plant's wonderful ground-cover form. In early summer, 3/4-inch-wide flowers appear on short stems, and brownish green sepals and white anthers contrast with the dark leaves. The rhizomatous roots of this plant spread slowly into a mat, forming a nice ground cover. Prune every five years or so for a neat appearance; little other care is required. -Gerald Gibbens, Regional Picks: Northwest, Fine Gardening issue #120

Acer saccharum 'Caddo' Acer saccharum 'Caddo'
('Caddo' Florida maple, 'Caddo' southern sugar maple)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The 'Caddo' maple typically reaches a mature height of 30 feet and spread of 25 feet, but may be taller. Its star-shaped leaves turn under slightly at the edges, and turn muted yellow to orange in the fall that can be spectacular. Its crown is oval-shaped, with an upright/erect growth habit. This moderately drought-tolerant maple is a great street or shade tree.

'Caddo' maples, native to southwestern Oklahoma, are well-adapted to heat and drought, and resistant to leaf tatter and scortch common among many maples. The leaves are dark green, leathery, and deeply lobed.

Achillea ‘Coronation Gold’ Achillea ‘Coronation Gold’
(Yarrow)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This 2.5- to 3-feet-tall and 1.5-foot wide plant produces dense, flat clusters of golden yellow flowers above fern-like, silvery foliage starting in early summer.

Achillea millefolium

Achillea millefolium


(Yarrow)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This rhizomic, mat-forming and aggressive perennial frows to 2 feet tall and wide with ferny, finely-textured, green foliage. Flowers are produced in flat corymbs in early to late summer.

Achillea 'Moonshine' Achillea 'Moonshine'
(Yarrow)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This popular gray-leaved yarrow has 18-inch-tall yellow flower heads that last for several weeks in late summer.

Achillea millefolium 'Terracotta' Achillea millefolium 'Terracotta'
(Yarrow)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Flat-topped corymbs of small, daisy-like flowers in colors of salmon-peach to yellow-orange are borne simultaneously on one plant up to 2 feet tall and wide. Flowers are complemented by silvery-green, finely-textured foliage.

no image available Achillea millefolium ‘Fire King’
(Yarrow)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This rhizomatous, mat-forming, upright, aggressive perennial produces strong red flowers in flat corymbs in summer atop finely-textured, aromatic foliage.

Aeonium arboreum 'Zwartkop' Aeonium arboreum 'Zwartkop'
(Black rose)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The "flowers" of black rose. are actually rosettes of burgundy-black leaves at the ends of stalklike stems. In winter, bright yellow flowers contrast with the dark foliage. 'Zwartkop' is a wonderful backdrop plant that can show off many companion plants to maximum advantage. -Jeff Moore, Regional Picks: Southwest, Fine Gardening issue #120

Agastache 'Desert Sunrise' Agastache 'Desert Sunrise'
(Hummingbird mint)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hummingbird mint boasts large spikes of reddish-pink tubular flowers with an orange tint over a long season in summer and early fall. The whole plant is aromatic. Grow in a bed, border, rock garden, or xeric garden.

Agastache ‘Summer Breeze’ Agastache ‘Summer Breeze’
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Agastache ‘Summer Breeze’ produces hundreds of 1.5-inch-long translucent, tubular blossoms. The flowers are painted in luscious sunset shades and appear from late spring to frost. In hot weather, peach, champagne, and soft pink are its colors, while in cooler months the flowers darken to pale copper and medium rose. It forms an open, airy, 2- to 3-foot-tall clump, and the upper third of each stem bears a long succession of hummingbird-attracting blooms.

Agastache ‘Blue Fortune’ Agastache ‘Blue Fortune’
(Blue Fortune hyssop)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Blue Fortune' produces spikes of powder-blue flowers held over large, deep green foliage. The plant stands approximately 36 inches tall with a mature width of 18 inches. Peak bloom occurs in midsummer when butterflies are plentiful.

Agastache aurantiaca 'Just Peachy' Agastache aurantiaca 'Just Peachy'
('Just Peachy' hummingbird mint, 'Just Peachy' hyssop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A cultivar discovered at High Country Gardens in Santa Fe, New Mexico, this aromatic, water-wise perennial grows to 30 inches tall and 18 inches wide and features fine, mint-scented, gray-green leaves and spikes of tubular flowers in shades of  soft pink and peach from summer to early fall. The plant is hugely attractive to hummingbirds, hence its common name. It is resistant to heat and drought, and can be used in both mixed borders and containers.

Agastache aurantiaca 'Shades of Orange' Agastache aurantiaca 'Shades of Orange'
('Shades of Orange' hummingbird mint, 'Shades of Orange' hyssop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A cultivar discovered at High Country Gardens in Santa Fe, New Mexico, this aromatic, water-wise perennial grows to 30 inches tall and 18 inches wide and features fine, mint-scented, gray-green leaves and spikes of tubular flowers in shade of orange from mid-summer to fall. The plant is hugely attractive to hummingbirds, hence the common name.

Agastache cana Agastache cana
(Texas hummingbird mint, Mosquito plant, Wild hyssop)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a 36-inch-tall hyssop with showy rose-pink flower spikes in late summer and fall and licorice-mint scented foliage. It is native to New Mexico and western Texas and attracts butterflies and hummingbirds. Grow in a border, herb garden, rock garden, or butterfly garden. Rubbing the foliage on skin reportedly repels mosquitoes.

Agastache foeniculum Agastache foeniculum
(Anise hyssop)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A classic plant for both herb gardens and borders, anise hyssop is composed of erect branches of mint-and-licorice-scented, medium green leaves ending in fuzzy spikes of small lavender flowers. The plant grows to 3 to 5 feet tall and 1 foot wide and reseeds freely. The flowers are edible and are charming crumbled into salads. The flowers are highly attractive to bees, butterflies, and hummingbirds.

Agastache foeniculum 'Golden Jubilee' Agastache foeniculum 'Golden Jubilee'
(Anise hyssop)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Anise hyssop has subtle but eye-catching chartreuse foliage. Its powder-blue, long-lasting flowers contrast nicely with its leaves.

Agastache rugosa Agastache rugosa
(Wrinkled giant hyssop, Korean hyssop, purple giant hyssop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This 4-foot-tall and 18-ich-wide, bushy perennial, very similar to the more common anise hyssop (Agastache foeniculum) has strongly mint-and-licorice-scented leaves and short spikes of lavender-blue flowers from midsummer to early fall. Unlike most agastaches, both of these species can tolerate more moisture and humity, making them highly suited to climates outside the arid west.

Agastache rupestris Agastache rupestris
(Sunset hyssop)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

True to its name, sunset hyssop encapsulates a Western sunset in its flowers: bronze with hints of orange and yellow, and streaks of magenta and pink along the margins. More and more flowers emerge as summer progresses. The plant blooms heavily in August, and continues into autumn.

Agave 'Sharkskin' Agave 'Sharkskin'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Thick, succulent grayish green leaves tipped with spines make this 3-foot-tall and wide agave a striking addition to a xeric bed or desert garden. Although its color is muted, its architectural form can't be overlooked.

Agave americana Agave americana
(American aloe, Century plant)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant has a rosette of broad sword-like, succulent, gray-green leaves. It provides a statuesque presence for sunny dry sites and under glass. It's also a classic plant for urns, thanks to the architectural splendor of its simple form.

Agave parryi Agave parryi
(Mescal)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant has a dense rosette of fleshy blue-gray leaves and produces tall, cream-colored flowers tinged with red or pink in summer.

no image available Ajania pacifica 'Yellow Splash'
(Pacific chrysanthemum)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-mounding perennial has lobed, silver-edged foliage and small yellow flowerheads in autumn.

Alcea rosea Alcea rosea
(Hollyhock)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tall, upright perennial has single flowers of various colors that grow along a spike. It blooms in early summer and midsummer.

Allium 'Globemaster' Allium 'Globemaster'
(Ornamental onion)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Allium 'Globemaster' is a true showstopper, growing to about 32 inches tall. Very large, majestic purple spheres up to 8 inches across bear numerous star-shaped, deep lilac flowers in May and June.

Allium caeruleum Allium caeruleum
(Blue globe onion)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces dense clusters of bright blue flowerheads up to 1 inch wide. Its leaves clasp its stem and die back before flowering.

Allium christophii Allium christophii
(Stars of Persia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This bulbous perennial produces ribbed stems and strap-shaped, gray-green basal leaves that decline as its flowers form. In early summer, it bears umbels that are 10 to 12 inches in diameter, and contain up to 100 star-shaped fuchsia flowers with a metallic sheen.

Allium giganteum Allium giganteum
(Ornamental onion)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In summer, this plant bears large rounded flower heads up to 4 inches across with a multitude of star-shaped lilac-pink flowers.

Allium schubertii Allium schubertii
(Ornamental onion)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant bears 12- to 18-inch blooms with nearly 100 pink-rose flowers. When the flowers are spent, they are replaced by airy, fluffy seedpods.

Allium senescens var. glaucum Allium senescens var. glaucum
(Circle onion)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant's silver-blue leaves swirl like a cowlick. It produces flowers that are lollipop-shaped, pink with bright yellow accents and about 16 inches tall.

Aloe cameronii Aloe cameronii
(Red aloe)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Aloe is best known as a medicinal plant (Aloe vera, Zones 10-11), but there are many beautiful aloes as well. Most have amazing winter flowers, and some, have interesting foliage color. Red aloe  has color that varies from green to a deep, red wine hue, depending on sun and water. and, over time, will form beautiful red-purple mounds with orange flowers. It is easily propagated from cuttings. -Jeff Moore, Regional Picks: Southwest, Fine Gardening issue #120

Aloe polyphylla Aloe polyphylla
(Spiral aloe)
(4 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The spine-tipped leaves of this aloe grow in a beautiful spiral; mature plants have five rows of leaves growing either clockwise or counterclockwise. It is very hardy, but will rarely flower. A native of Lesotho, Africa, it is extremely endangered due to overcollecting.

Amaranthus tricolor and cvs. Amaranthus tricolor and cvs.
(Chinese spinach, Tampala, Joseph's coat)
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This hardy annual has vibrant, ornamental red, yellow, and green foliage that lends a tropical effect to the garden. Small flowers, borne from summer to early autumn, are inconspicuous in comparison to the effect of the foliage. Cultivars feature yellow and maroon-shaded leaves, but the species still offers the showiest foliage.

Amelanchier alnifolia Amelanchier alnifolia
(Alder-leaved serviceberry, Saskatoon)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This multi-stemmed shrub or tree can reach almost 20 feet tall. At one time, it was used medicinally for many conditions. Its autumn color is bright red or yellow and its small, edible black fruits attract much wildlife.

Amsonia montana 'Short Stack’ Amsonia montana 'Short Stack’
(Dwarf blue star)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Chalk up another great plant introduction from the folks at Plant Delights Nursery in Raleigh, North Carolina. This dwarf blue star grows to only about half the size of the species, making it well suited for gardens with limited space. It performs best in full to partial sun and is appreciative of moist, well-drained soil. The sky blue flowers appear in early spring above the clean, dark green foliage. Try planting 'Short Stack' in a mess and along bed edges for a winning display.

Amsonia tabernaemontana Amsonia tabernaemontana
(Willow blue-star)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In addition to willow blue-star’s small but charming clusters of blue flowers in late spring, it has upright, willow-like leaves that turn clear yellow in fall.

Anagallis monellii Anagallis monellii
(Blue pimpernel)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In summer, this colorful groundcover makes a 9-inch mound of saucer-shaped, deep blue flowers on long stalks.

Andropogon gerardii 'Pawnee' Andropogon gerardii 'Pawnee'
(Big bluestem, turkeyfoot)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Pawnee' has an upright habit and warm fall colors that persist into winter. This refined offbig bluestem has the bluish purple stems typical of the genus. In late summer, Purplish red flowers appear in groups of three or six, which look like a turkey foot—hence the nickname: "Turkey Foot Grass." The root system that can extend down more than 10 feet. Each year, a third of these roots die, opening up channels for water. -Scott Vogt, Native grasses, Fine Gardening issue #124

Anemone blanda Anemone blanda
(Grecian windflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces a great low-growing mat of flowers. The cheerful starlike blossoms come in pink, blue, and white, and the attractive finely cut leaves disappear soon after flowering.

Anethum graveolens Anethum graveolens
(Dill)
(1 user review)

As an herb, A. graveolens is commonly grown for the culinary attributes of its leaves and seeds. Its distinctive foliage texture and flower color and form make this plant a nice companion in a mixed border. It provides a valuable food source for butterfly larvae and attracts beneficial insects also.

Angelica gigas Angelica gigas
(Angelica)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This showstopper produces conspicuous, red-purple leaf sheaths with dense, purple domed flowerheads.

Antennaria neodioica Antennaria neodioica
(Northern pussy toes, Cat feet, Everlasting, Ladies' tobacco)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous, mat-forming perennial produces everlasting flowers. It is a native prairie plant that has stem and leaf bottoms covered with white hairs and whitish flower heads that form in dense clusters. Male and female flowers are produced on separate plants.

Antennaria spp. Antennaria spp.
(Pussy-toes, Cat's ears)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Low-growing rosettes of long gray leaves covered in fine gray hairs and gray-white flowers in spring that resemble a cat's paw make Antennaria great plants for edging, pathways, or stone walls.

Anthemis tinctoria Anthemis tinctoria
(Golden marguerite, Oxeye chamomile)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming perennial produces many weeks of daisy-like flowers in summer. It is great in borders and works well as a cut flower.

Anthriscus sylvestris 'Ravenswing' Anthriscus sylvestris 'Ravenswing'
(Ravenswing)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is the bronze-purple form of the common Queen Anne's lace. It produces beautiful, highly fringed, lacy foliage in a dusky purple.

no image available Aquilegia alpina
(Alpine columbine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant bears terminal racemes of two to three nodding blue flowers, sometimes with white tips.

Aquilegia canadensis Aquilegia canadensis
(Canadian columbine)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This airy perennial has ternate dark green leaves, and produces many nodding flowers from midspring to midsummer. Its scarlet flowers have yellow, downward-pointing sepals.

Aquilegia canadensis 'Corbett' Aquilegia canadensis 'Corbett'
(Columbine, Canada columbine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This airy perennial has delicate dark-green leaves and many nodding, light-yellow flowers from mid-spring to midsummer. 

no image available Aquilegia flabellata
(Fan columbine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The fan columbine produces short, plump, nodding, blue-purple flowers with white petal tips.

Aquilegia vulgaris Aquilegia vulgaris
(Granny’s bonnet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Usually this plant produces nodding blue and white flowers, but color variation is common in this species.

no image available Arbutus unedo 'Elfin King'
(Strawberry tree)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This picturesque tree has rough, shredding, red-brown bark and glossy green leaves. It produces small white flowers followed by spherical, warty, reddish fruit.

Arctostaphylos uva-ursi Arctostaphylos uva-ursi
(Common bearberry, Kinnikinnick)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a fine plant for cascading over the edge of a wall. It's a hardy, prostrate shrub with intricate branching that often forms mats up to 3 feet wide, by runners. Fragrant, white bell-shaped flowers tinged with pink are borne in May and followed later in the season by red berries. The common bearberry's stunning red stems are studded with small, glossy, evergreen leaves.

Argyranthemum frutescens Argyranthemum frutescens
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Argyranthemum is often mistaken for or offered as Chrysanthemum. It is a great plant in containers where it isn't hardy. A. 'Jamaica Primrose' and A. 'Vancouver' will survive in Zones 7-11.

Aronia arbutifolia Aronia arbutifolia
(Red chokeberry)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Fragrant white flowers in spring, red fall foliage, and persistent berries for winter interest make Aronia a valuable plant in all seasons.

Artemisia 'Powis Castle' Artemisia 'Powis Castle'
(Artemisia)
(4 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a woody plant with dense clumps of silver-gray leaves. It makes a great border accent.

Artemisia absinthium Artemisia absinthium
(Absinth, Wormwood)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Artemisia absinthium is a woody perennial with finely cut, silvery-gray, aromatic foliage. Its small yellow flowers have little ornamental value. Wormwood is useful in beds, borders, and rock gardens, and it makes an excellent foil for bright colors and dark foliage. This plant needs excellent drainage.

Artemisia ludoviciana Artemisia ludoviciana
(Western mugwort)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a high-drama native. Its gracious, high-impact, powdery-white shrubby mounded foliage grows to 4 feet tall.

Artemisia schmidtiana Artemisia schmidtiana
(Silvermound)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces a 12-inch-high, symmetrical mound of silver-green, silky-hairy leaves. They make this plant a nice counterpoint to very colorful plants.

Aruncus dioicus Aruncus dioicus
(Goatsbeard, Goat's beard)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Goat's beard is a perennial native to eastern North America and parts of Europe and Siberia. It is grown for its tall stature (up to 6 feet) and showy, cream-colored plumes of flowers in summer. The effect is that of a giant astilbe. Plants with male flowers produce showier and more erect plumes than plants with female flowers, whose plumes are more pendent and less creamy-white. Grow in a woodland garden or moist border, or at waterside.

Asarina scandens Asarina scandens
(Figwort, Creeping snapdragon)
(2 user reviews)

A half-hardy perennial, this sophisticated climber grows to 8 feet tall. It has a profuse show of 1.5-inch indigo, violet, pink, or white flowers. It's great for the cold greenhouse or conservatory, and will often bloom until the end of the year unless there is a hard frost.

Asarum canadense Asarum canadense
(Wild ginger, Canadian wild ginger)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The rounded, lustrous leaves of this native plant form an appealing green ground cover. This plant produces beautiful, 2- to 4-inch, glossy green heart-shaped leaves. In spring, you'll find interesting, mauve-purple flowers hidden under its foliage. -Marty Hair, Regional Picks: Upper Midwest, Fine Gardening issue #127

Asarum shuttleworthii 'Callaway' Asarum shuttleworthii 'Callaway'
(Callaway ginger)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a slow-growing ginger, but worth the wait. Its round evergreen green leaves have a prominent silver-white mottling.

Asarum splendens Asarum splendens
(Chinese wild ginger)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

There are many species and varie­­ties of wild ginger, but this vigorous, fast-growing, and beau­tiful species tops my list. Elongated, heart-shaped, dark green leaves look and feel as if they were made out of Naugahyde and splashed with metallic paint. The foliage shimmers when hit by a beam of light. It is evergreen to 10°F but will quickly reappear in the spring if it freezes. If you want to see the unique, 2-inch-wide, dark purple flowers, get on your hands and knees and look at the base of the plants. Though not particularly showy, they are interestingly attractive.
Plants spread quickly by underground rhizomes, forming a thick mat of foliage that crowds out weeds. I recommend spacing them 10 to 12 inches apart and letting them fill in over the next few years. Plants are not picky about soil pH or type, but they do best in well-drained areas. -Jimmy Turner, Plants for dry shade, Fine Gardening issue #133

Asclepias tuberosa Asclepias tuberosa
(Butterfly weed)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Butterfly weed is a native perennial with flat-topped, orange or yellow flower clusters at the ends of its stems or in its leaf axils. From midsummer to autumn, it produces clusters of brightly colored flowers that attract insects, followed by fruit and showy seed. Plant in a border, meadow, butterfly garden, or wildflower garden.

Aster × frikartii Aster × frikartii
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant flowers profusely and for an exceptionally long time, from early summer to mid-fall. Its flowers are violet-blue.

Aster × frikartii 'Wonder of Staffa' Aster × frikartii 'Wonder of Staffa'
('Wonder of Staffa' aster)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This repeat-blooming aster produces bright, 2-inch-wide, violet-blue flowers from mid-summer into fall. It grows to 3 feet tall and 1 to 2 feet wide and prefers full sun and average, well-drained soil.

Aster ericoides Aster ericoides
(Heath aster)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clumping, bushy perennial has slender stems and small, lance-shaped, medium green leaves. From late summer to late fall, it produces white flowerheads with yellow centers to a half-inch across. Its cultivars may bear flowers tinged pink or blue.

Aster oblongifolius 'October Skies' Aster oblongifolius 'October Skies'
(October skies aster)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'October Skies' is a dwarf aster that is low to the ground and mounding. It flowers in the fall when most other plants have finished for the season, covering itself with hundreds of dark sky-blue flowers.

no image available Baptisia 'Chocolate Chip'
(Chocolate Chip false indigo)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This perennial produces milk chocolate-colored flowering buds that open in spring with golden yellow petals over blue-green foliage.

Baptisia × variicolor Twilite Prairieblues™ Baptisia × variicolor Twilite Prairieblues™
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This amazing baptisia is a cross between B. australis, the most common blue variety, and B. sphaerocarpa, a plant with yellow bloomer. The result is pea-like violet-purple flowers with dramatic yellow keels. It is long-lived, tough, and drought resistant, but it may take three or four gardening seasons to establish itself. Twilite Prairieblues™ blooms in late spring or early summer, When not in bloom, the plant remains attractive because of the lovely blue-green color of its trifoliate leaves, especially in spring. This plant is tall and will look good at the back of a border. -Stephanie Cohen, Plants to know and grow, Fine Gardening issue #120

Baptisia australis Baptisia australis
(blue false indigo, Plains false indigo)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

False blue indigo's spikes of clear blue flowers in late spring can nearly carry a border by themselves. They also make great cut flowers. Large, inflated nearly black seed pods set in after flowering, giving this plant another interesting element. It is low maintenance and will look great in any natural or informal setting.

Begonia 'Crackling Fire' Begonia 'Crackling Fire'
('Crackling Fire' begonia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Gorgeous new series of boliviensis begonias in six colors – Red, Orange, Yellow, Creamy Yellow, Pink and White. Perfect for baskets and containers. Plants are more sun and drought tolerant than other begonias. Crackling Fire begonias are low maintenance and self-cleaning. Plants are loaded with flowers and bloom continuously until frost. Their sturdy, upright habit prevents breakage.  Plants reach a height of 4-10 inches with a spread of up to 10 inches. Crackling Fire is perfect as a container plant or hanging basket and thrives in full to partial sun. -Suntory Collection

Berberis × stenophylla 'Corallina Compacta' Berberis × stenophylla 'Corallina Compacta'
(Compact coral barberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

"Thorny but irresistible" best describes this low-maintenance, elfin barberry. Tiny leaves are smothered in coral-colored buds opening to bright yellow-orange spring flowers. These, in turn, produce silver-frosted, blue-black berries in fall. 'Corallina Compacta' is evergreen, tolerates most soil types, and is pest-free and drought tolerant once established.

Berberis thunbergii f. atropurpurea Berberis thunbergii f. atropurpurea
(Red Japanese barberry)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Red Japanese barberry is a deciduous shrub with multi-season interest. Most striking are the deep reddish purple inch-long leaves. In spring, scented yellow flowers appear on arching stems. This barberry is an excellent hedge pland, and it also looks good in the middle to rear of beds and borders. Watch out for the brittle, three-pronged thorns. -Gerald Gibbens, Regional Picks: Northwest, Fine Gardening issue#120

Bergenia cillata Bergenia cillata
(Hairy bergenia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is the most drought-tolerant bergenia I’ve found and the only one that does well in Texas heat. The large, hairy, critter-resistant leaves do not resemble other members of this genus; they look more like hairy plates or giant African violet leaves—hence, it’s common name. Mature plants will send up 10-inch-long stems of white to pale pink flowers from spring to early summer, but the real reason to grow this plant is its remarkable foliage.
In cooler regions, hairy bergenia grows not only in the shade but also in full sun. It isn’t particular about soil type or pH. Divide plants every three to five years to keep them vigorous. -Jimmy Turner, Perennials for dry shade, Fine Gardening issue #133

Borago officinalis Borago officinalis
(Borage, Cool-tankard, Talewort)
(1 user review)

These fast-growing plants with succulent, bristly stems are old-fashioned favorites of the border or herb garden. They self sow to produce a succession throughout the season of new plants and blossoms. The beautiful flowers are edible and are particularly bequiling on salad or floating in summer drinks. 

Bouteloua gracilis Bouteloua gracilis
(Blue grama, Signal-arm grass, Mosquito grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Blue grama is a perennial grass from the Americas bearing unusually bent and flattened inflorescences. Being native to open grasslands, they are drought tolerant and at home in meadows. They provide the garden with shades of tan that persist throughout winter. 

Bouteloua gracilis 'Hachita' Bouteloua gracilis 'Hachita'
('Hachita' Blue Grama Grass)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Hachita' has narrow, blue-green leaves that form dense mounds. In summer, elongated seedheads add visual interest. This tough, drought-tolerant grass thrives in sand or clay soil with full-sun exposure. It needs a setting with good drainage, as it won't thrive in wet conditions. -Scott Vogt, Native grasses, Fine Gardening issue #124

Buddleia bicolor Buddleia bicolor
(Bicolor butterfly bush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Butterflies can’t resist this fast-growing shrub! The gorgeous, bi-colored blooms are wonderfully-fragrant and unattractive to pesky deer. Best of all, it begins blooming in midsummer, when gardens need an extra jolt of color. -American Meadows

Buddleia davidii Buddleia davidii
(Butterfly bush, Summer lilac)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This sun-lover comes in hues from pure white to deepest purple. From midsummer until frost, butterfly bush earns its name as hordes of winged beauties flit from flower to flower in search of nectar. The lanceolate leaves are 10 to 12 inches long and white or grayish underneath. The honey-scented flowers are deep purple and grow in spikes, from July to October.

Calamintha nepeta Calamintha nepeta
(Lesser calamint)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Lesser calamint produces fine, upright stems which are covered with small, shiny, dark green leaves, forming a little bush from 12 to 18 inches tall, and twice as wide. In late August, it produces a cloud of infinitesimal pale lavender flowers that continue blooming for up to six weeks. As the days become cooler, the color of the tiny, lipped blossoms deepens.

Calendula officinalis Calendula officinalis
(Pot marigold)
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Pot marigolds bloom most of the summer, but are intolerant of intense heat and may die out during periods of hot humid weather. Their branching stems are covered with simple, alternate leaves and they produce large flowers in different hues of yellow and orange in the summer.

Callirhoë involucrata Callirhoë involucrata
(Wine-cups)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant resembles a rosy-purple poppy mallow that blooms all summer. The saucer-shaped flowers are held above prostrate red stems and fingered leaves.

Callistemon citrinus 'Splendens' Callistemon citrinus 'Splendens'
('Splendens' bottlebrush)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-care, evergreen shrub to 10-15 feet tall and wide produces large, bright red bottlebrush flowers from spring through summer followed by woody seedpods. It is attractive to hummingbirds. Young shoots are pinkish red.

Calocedrus decurrens Calocedrus decurrens
(California incense cedar)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This large, conical-shaped tree has dark green flattened sprays of evergreen scale-like leaves.

Campanula 'Pink Octopus' Campanula 'Pink Octopus'
('Pink Octopus' spreading bellflower)
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I have a penchant for vigorous, spreading plants: For the price of one plant I can get tons more for free. Plus, plants that spread out are naturals for dry shade; the expanded network of root systems feeds the whole plant, helping it get the water it needs. ‘Pink Octopus’ quickly forms wide mats of tall, deeply cut, light green foliage. Throughout spring, octopus-shaped, candy pink flowers float in a mass over the foliage, sporadically appearing throughout summer. I use this plant as the horticultural equivalent of a slipcover to coat large areas of shade quickly, especially because it can handle the extremes of my Texas climate. This perennial is maintenance-free, other than keeping it from encroaching on less vigorous plants. -Jimmy Turner, Perennials for dry shade, Fine Gardening issue #133

Campanula carpatica Campanula carpatica
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Upright, open bell-shaped flowers completely cover the foliage of this late-blooming Campanula for several months in summer. This small plant is suitable for the front of the border or a rock garden. Numerous cultivars are available.

Campanula cochleariifolia Campanula cochleariifolia
(Fairies’ thimbles)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Diminutive (to 2 inches tall) spikes bear lavender-blue nodding flowers that sway in the breeze.

Campanula portenschlagiana Campanula portenschlagiana
(Dalmatian bellflower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low, mat-forming plant has blue-purple flowers in summer.

Capsicum annuum 'Black Pearl' Capsicum annuum 'Black Pearl'
(Ornamental pepper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This pepper boasts the most dramatically deep purple-black leaves and fruit imaginable. The vigorous, bushy plants grow to 18 inches tall and almost as wide. Flowers are lilac, and dark black peppers emerge in fall.

Carpobrotus edulis Carpobrotus edulis
(Iceplant, Hottentot fig, Kaffir fig)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This ground-hugging succulent perennial roots at the nodes, has a creeping habit, and often forms deep mats covering large areas. It produces abundant yellow daisy-like flowers that open at noon and turn pink later in the day.

Caryopteris × clandonensis Caryopteris × clandonensis
(Blue beard, Blue-spirea, Blue-mist shrub )
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

These plants can take worst of the a hot summer (heat, lack of water, and humidity) and still manage to perform well. They generally live four to five years before they need replacing, but during that time, they offer dependable foliage and pretty blue flowers from mid- to late summer. Blue-mist shrubs form low-growing, finely-textured mounds and are deer-resistant.

Caryopteris × clandonensis 'Longwood Blue' Caryopteris × clandonensis 'Longwood Blue'
(Blue beard, blue-mist shrub)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Longwood Blue' is ideal for a mixed or shrub border. It's an attractive woody shrub up to 3 feet tall and 5 feet wide with silvery leaves and violet-blue flowers.. The flowers appear along the stems in late summer and early autumn.This plant is relatively drought tolerant and very heat tolerant. The shrub expands as branches that touch the ground form their own roots and may self-seed.

Caryopteris incana 'Jason' Caryopteris incana 'Jason'
(Sunshine blue bluebeard)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Jason' has bright yellow-green foliage with rich amethyst blue flowers in late summer and fall. It's a vigorous grower for a mixed border or mass planting in sunny areas.

Ceanothus americanus Ceanothus americanus
(Mountain sweet, New Jersey tea, Redroot, Wild snowball)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Mountain sweet is a low-growing, broad, compact, deciduous shrub. Dark-green leaves are irregularly toothed, 2 to 3 inches long, and softly hairy or nearly hairless beneath. This plant bears profuse white flowers in 1- to 2-inch-long terminal clusters.

Cedrus atlantica f. glauca Cedrus atlantica f. glauca
(Blue Atlas cedar)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This stunning evergreen conifer can be a very large specimen tree (to over 100 feet) in the landscape. Its young, silvery foliage turns vivid glaucous blue as it ages; the sharply pointed leaves are arranged in whorls. Female cones are green and can be up to 4 inches long; they ripen slowly over 2 years to pale brown. This tree needs a lot of space to reach its majestic potential.

Cedrus deodara

Cedrus deodara


(deodar cedar, Himalayan cedar)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen, coniferous tree has a conical form and whorls of green needles. It grows to 100 feet tall and 30 feet wide with spreading branches and pendant branch tips. Showy, light brown cones mature in fall.

Celastrus orbiculatus Celastrus orbiculatus
(Oriental bittersweet, Staff vine)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Oriental bittersweet is a vigorous, woody, deciduous climber with rounded mid-green leaves that turn yellow in autumn. It bears small green flowers in summer and axillary clusters of bead-like red berries with contrasting yellow casings in the fall. Fruit splits open to reveal pink to red seeds.

Celosia cristata 'Century' Celosia cristata 'Century'
(Plumed celosia)
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The flowers of this celosia cluster together in great numbers and look like silky, feathery plumes in vivid hues of yellow, red, magenta, or apricot. The plumes rise above the foliage on 2-foot-tall stalks, which wave their flags of color in the breeze from July to frost.

Centaurea montana ‘Amethyst in Snow’ Centaurea montana ‘Amethyst in Snow’
(Mountain bluet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The blooms of this familiar perennial are not the standard blue; instead, they’re a striking silky white with royal purple centers. The flowers appear in late spring, then leave behind a mass of vigorous silvery green foliage.

no image available Centranthus ruber
(Red valerian, Jupiter's beard, Keys of heaven)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming perennial has deep to mid-green leaves and dense clusters of small white, pale rose-pink, or dark crimson flowers in long, slender stems. It blooms from late spring to late summer.

Cephalotaxus harringtonii 'Prostrata' Cephalotaxus harringtonii 'Prostrata'
(Plum yew)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This slow-growing dwarf conifer has a wide, rounded crown and narrowly furrowed, partially peeling bark. Needles, 1 to 1.5 inches long, are arranged on V-shaped ranks on each shoot.

Cerastium tomentosum Cerastium tomentosum
(Snow-in-summer)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Snow-in-summer is great for rock gardens and dry areas, and also works well as a container plant. Plant it on a stone wall for a cascading effect. Snow-in-summer needs room to perform. A single plant can carpet an area as wide as a yard across. After the flowers fade, the silver/grey foliage shines on in contrast to more predictable shades of green.

Chamaecrista fasciculata Chamaecrista fasciculata
(Partridge pea, Senna, Sleeping plant)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This colorful annual legume bears attractive yellow flowers that have reddish-purple spots at their base. The compound, feathery leaves look like those of sensitive plant. Fruit is contained in a pea pod, which adds additional garden interest and may attract birds.

Chamaemelum nobile and cvs. Chamaemelum nobile and cvs.
(Chamomile)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A hardy perennial, chamomile has aromatic, threadlike leaves that fill the air with a pleasing apple-pineapple scent. White, daisylike blooms appear in summer. The cultivar 'Treneague' is valued because it does not flower, making an attractive lawn. 'Flore Pleno' has double flowers showier than those of the species.

Chilopsis linearis Chilopsis linearis
(Desert Willow)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Desert willow is shrub native to the Southwest U.S. and Mexico. Its erect willowy foliage is joined by large, blowsy pink flowers from early summer to first frost. This tough plants performs well in xeriscapes and other dry, unforgiving locations. It grows to 10 to 14 feet tall and wide remains blemish-free all season long.

no image available Choisya ternata 'Sundance'
(Mexican orange blossom)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Sundance' Mexican orange blossom is an evergreen, compact shrub with white, fragrant flowers borne in late spring, and again in late summer and autumn. Groups of three little leaflets give the young yellow-green foliage a pleasing pattern, while the waxy, glossy texture adds a luminous quality.

Chrysogonum virginianum ‘Eco-Lacquered Spider’ Chrysogonum virginianum ‘Eco-Lacquered Spider’
(Goldenstar)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Goldenstar is a creeping groundcover with long, reddish-green leaf stalks and opposite, heart-shaped, hairy mid-green leaves. From early spring to summer, it bears solitary, star-shaped yellow flowerheads with 5 large, triangular ray florets.

Cladrastis lutea Cladrastis lutea
(Yellowwood)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Yellowwood is a vase-shaped spreading tree with dark green foliage that turns a delicate yellow or orange in the fall and smooth light gray bark. Breathtaking, pendulous, foot-long, wisteria-like clusters of fragrant white flowers appear in late spring and early summer, often in alternate years.

no image available Claytonia virginica
(Spring beauty)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-growing, spring-blooming succulent touts 5-petaled, pale-pink striped flowers with strap-like foliage that continues to grow after bloom but disappears in late spring when the plants go into dormancy. It can literally carpet the ground in early spring, giving the impression of a light dusting of snow. Its flowers open when the sun is out and close when it is cloudy.

Clematis integrifolia Mongolian Bells™ Clematis integrifolia Mongolian Bells™
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Clematis integrifolia is no longer only blue. This selection produces progeny with pink, white, and lavender blooms from midspring until late summer. The flowers are followed by attractive seed heads in fall. It has a compact, herbaceous form and grows to just 10 to 14 inches tall.

Colchicum 'Waterlily' Colchicum 'Waterlily'
(Autumn crocus, Meadow saffron)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Semi-erect, narrowly ovate leaves 7-10 inches long appear in spring and disappear by summer, followed by large, fully double, rosy lilac flowers resembling the blooms of a waterlily.

Colchicum autumnale Colchicum autumnale
(Meadow saffron)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Meadow saffron is a cormous perennial with erect, lance-shaped leaves 5 to 14 inches long. It bears 1 to 6 goblet-shaped, lavender-pink flowers in fall.

no image available Convolvulus mauritanicus
(Ground morning glory)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Ground morning glory is a trailing low grower with a profusion of funnel-shaped lavender flowers from summer to early autumn.

Cordia parvifolia Cordia parvifolia
(Littleleaf cordia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Though its leaves are small, this semi-deciduous shrub stands out in the landscape. Littleleaf cordia has a prolifically branching, slightly open form that looks good year-round. Its roughly textured, dark gray-green foliage contrasts nicely with its coppery brown young stems. From late spring into fall, branch tips bear clusters of pristine, white, funnel-shaped flowers to provide a visually cooling effect during the peak of summer heat. It grows to 6 to 8 feet tall and wide.

Cordyline hybrida var. JURred 'Festival™ Burgundy' Cordyline hybrida var. JURred 'Festival™ Burgundy'
(Festival™ Burgundy corydaline)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This basal branching cordyline combines the rugged easy-care attributes of its cordyline cousins with an unusual mix of shiny dark color, compact bushy form, short stems and cascading grass-like leaves.

Coreopsis rosea 'Mercury Rising' Coreopsis rosea 'Mercury Rising'
('Mercury Rising' coreopsis)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large, velvety-red blooms bring long-lasting, dramatic color to the garden from early summer into fall. This easy-to-grow beauty is deer resistant and perfect cut for summer bouquets! -American Meadows

Coreopsis verticillata ‘Moonbeam’ Coreopsis verticillata ‘Moonbeam’
(Thread-leaved tickseed)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Moonbeam' produces star-like blossoms of pale yellow from late spring into autumn. This cultivar is widely used because the refreshing tint of yellow compliments so many colors. The finely textured foliage adds interest all season long.

Corepsis verticillata ‘Zagreb' Corepsis verticillata ‘Zagreb'
(Thread-leaved tickseed)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Zagreb' produces star-like blossoms in egg-yolk yellow in early summer on plants 12 inches tall and wide. The sturdy, upright stems and finely textured foliage add delicate texture to the garden.

Correa 'Dusky Bells' Correa 'Dusky Bells'
(Australian fuchsia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This spreading ground cover flowers from fall into spring. Its tubular, dusky pink flowers attract hummingbirds, and its deep green leaves release a citrus scent when crushed. Tolerant of dry conditions, frost-hardy 'Dusky Bells' correa should be tip-pruned regularly to promote new growth and improve flowering. Healthy specimens can live up to 50 years or more.

no image available Cortaderia selloana
(Pampas grass)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This stunning grass has 1- to 3-foot-long, densely tufted plumes atop tall, upright stalks and arching mid-green leaves. Plumes come in white, cream, or beige-pink and appear in late summer.

Cortaderia selloana ‘Pumila” Cortaderia selloana ‘Pumila”
(Pampas grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dwarf cultivar has mid-green leaves and densely tufted plumes atop tall, upright stalks and arching mid-green leaves. Masses of silvery yellow plumes appear in late summer.

Corydalis lutea Corydalis lutea
(Yellow corydalis)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has bluntly spurred golden yellow flowers from late spring to early fall. Its pale green, glaucous leaves form compact, ferny mounds.

Cosmos atrosanguineus Cosmos atrosanguineus
(Chocolate cosmos, Black cosmos)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A chocolate scented flower! Dark red-brown, sometimes almost black, velvety flowers on long, slender, reddish brown stems bloom from early summer to autumn. Chocolate cosmos is a tuberous-rooted, tender perennial native to Mexico that can be overwintered indoors where not hardy. Grow in a border or in containers where the flowers can be appreciated up close. They also make good cut flowers.

Cosmos bipinnatus 'Sea Shells' Cosmos bipinnatus 'Sea Shells'
(1 user review)

This unique annual produces quilled blossoms of hollow, tube-shaped petals that radiate from the center in shades of white, pink, or carmine red. The flowers, which bloom all summer long, sometimes have bicolored interior and exterior tubes. 

Cosmos bipinnatus 'Sensation Series' Cosmos bipinnatus 'Sensation Series'
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This series of annuals produces extra large, cup-shaped blossoms to 3-1/2 inches across in shades of white or pink all summer long. 

Cosmos bipinnatus 'Sonata Dwarf Mix' Cosmos bipinnatus 'Sonata Dwarf Mix'
(1 user review)

This series produces compact plants 1 foot tall and about as wide with large blossoms in pure white and many shades of pink. These season-long performers make fine edging plants.

Cosmos bipinnatus cvs. Cosmos bipinnatus cvs.
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Cosmos are branching annuals with ferny foliage and pink, crimson, or white flowers that work well in the back of a border. Although introduced in 1799, cosmos did not beome popular for the garden or as the subject of breeding efforts until the early 1900s. The rest is now history. The variety 'Sensation' won the All-American Selection Award of Merit in 1936 for its clear colors of pink and white, on early-blooming, 3- to 4-foot-tall plants. 'Purity' is the glistening white form of cosmos in the 'Sensation' series. 'Sea Shells' has quilled florets. The Sonata Series cultivars are dwarf plants only growing to about a foot or two tall.

Cosmos sulfureus 'Cosmic Red' Cosmos sulfureus 'Cosmic Red'
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The intense scarlet red blooms and yellow centers of this bedding plant will stop you in your tracks. ‘Cosmic Red’ blooms all summer and looks great at the front of the border and in containers. As with other cosmos cultivars, grow this plant in full sun and moist, well-drained soil. The already hypnotic color will intensify as light levels increase.

Cotoneaster 'Tom Thumb’ Cotoneaster 'Tom Thumb’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact, low-growing, and self-rooting deciduous shrub is useful as an underplanting or ground cover. Its shiny dense foliage turns a brilliant red in the fall and requires little or no pruning.

no image available Cotoneaster horizontalis
(Rockspray)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous shrub has a spreading habit and branches that form a herringbone pattern. Its glossy, dark green leaves turn red in autumn.White flowers tinged with pink appear in late spring and mature to bright red, round fruit.

Crambe cordifolia Crambe cordifolia
(Colewort)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species is notable in stature, forming a giant mound and producing a profusion of airy white flowers on tall stems in late spring to midsummer and then dying down in midsummer to late summer. Colewort can reach 8 feet high and about half as wide. Grow in a large border or open woodland.

Crocus speciosus Crocus speciosus
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This autumn-flowering cormous perennial bears long-tubed flowers in shades of violet-blue with deeper blue veins and divided, bright orange styles.

Cyclamen hederifolium Cyclamen hederifolium
(Baby cyclamen)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A fine plant for fall, this cyclamen's frequently scented, mottled flowers emerge directly from the soil, followed by a carpet of patterned, mid- to dark green leaves attractively variegated with patterns in white or silver. It often blooms for up to two months. Each small pink or white flower has swept-back petals resembling a dove in flight, marked with maroon at the mouth. It makes a good foliage display all winter after the flowers have faded.

Cynara cardunculus Cynara cardunculus
(Cardoon)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Cardoon is an architectural splendor with bold texture, thanks to its large, prickly, almost dagger-shaped gray-green arching leaves and a statuesque, vase-shaped frame. It is topped with round, purple, thistlelike flowers in midsummer. Cardoon can reach up to 5 feet tall and 4 feet wide.

Cytisus scoparius Cytisus scoparius
(Scotch broom)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Scotch broom is an upright, deciduous shrub with slender, arching shoots. In late spring, it produces abundant yellow flowers in axillary clusters.

Dalea frutescens Dalea frutescens
(Black dalea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low, mounding, Southwest native shrub up to 4 feet tall and 6 feet wide has feathery foliage that contributes fine texture to a garden. While evergreen in milder climates, in temperate climates it is deciduous. Its small, pealike purple flowers appear in late summer and continue into fall.

Dalea greggii Dalea greggii
(Trailing indigo bush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Despite a soft, delicate appearance, trailing indigo bush is one of the toughest groundcovers around. The feathery, silvery green compound foliage makes the clusters of tiny, rosy purple flowers stand out at close range. The blooms, which occur most heavily in spring and summer, return sporadically the rest of the year. This plant is excellent for stabilizing soil on slopes because its stem nodes root wherever they come in contact with the ground.

no image available Daphne × transatlantica 'Jim's Pride'
('Jim's Pride' daphne)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This small shrub to 3-4 feet tall and wide blooms from late spring to fall with a liberal sprinkling of small, white, highly fragrant flowers over grey-green leaves that form a fine-textured mound. This shrub is semi-evergreen. It will retain some of its leaves in winter, though in colder climates it may be completely deciduous.

no image available Delosperma 'John Proffit'
(Ice plant)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Covering itself with glowing fuchsia daisy-like flowers with many narrow petals, 'John Proffit' makes a beautiful groundcover or container plant. The succulent foliage looks like it has small pieces of ice on it (hence the name "ice plant') and is evergreen in warmer climates. Growing to only a few inches tall, it can spread almost 2 feet wide. It blooms from late spring to early fall.  

Delosperma cooperi Delosperma cooperi
(Ice plant)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Summer-long bloom and a tough constitution make the mat-forming ice plant a perfect groundcover. Two-inch magenta blossoms with white anthers are produced in midsummer and late summer.

Dennstaedtia punctilobula Dennstaedtia punctilobula
(North American hay-scented fern)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fern's lacy foliage smells of freshly mown grass and carpets the woodland or a moist, partially sunny site. The green lushness turns golden in the fall. It is a good choice for rapid naturalizing. Use in a woodland garden or near water features.

Deutzia crenata var. nakaiana 'Nikko' Deutzia crenata var. nakaiana 'Nikko'
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact variety performs well as a groundcover and is an excellent choice for the mixed border or rock garden. 

Dianthus 'Bath's Pink' Dianthus 'Bath's Pink'
(Cheddar pink)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Dianthus 'Bath's Pink' is a stunning, wide-spreading ground cover with grassy, blue-green foliage and pink flowers. Use it to edge a bed or grow it in your rock garden for a splash of cool color. To keep its blooms going, be sure to deadhead.

Dianthus 'Neon Star' Dianthus 'Neon Star'
(Carnation, Pink)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hybrid has a compact, mounding habit, with silvery-blue foliage and fluorescent pink toothed flowers, which continue blooming with deadheading.

Dianthus alpinus Dianthus alpinus
(Alpine pink)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Clusters of serrated single blooms in pink to dark crimson sit just off the ground in summer.

Dianthus gratianopolitanus Dianthus gratianopolitanus
(Cheddar pink)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact species forms broad mats of blue-gray linear leaves and is perfect for a rock garden setting. The purplish-pink flowers are solitary, toothed, and deliciously fragrant. 

Dianthus gratianopolitanus 'Firewitch' Dianthus gratianopolitanus 'Firewitch'
(Cheddar pink)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Silvery-blue mats of evergreen, linear foliage. Well-known and loved for the showy, profuse, single, magenta blooms, spring-fall. 'Firewitch' exudes the spicy scent of cloves. Very hardy; good performer. Moderate to fast grower. Heat resistant and tolerant of humidity. Excellent for use in containers, as an edger, in rock gardens, scented gardens and the front of the border. If cut back, they often rebloom in early fall. Considered deer resistant once established. Attracts butterflies!  Very suitable for gardens in the South. -Santa Rosa Gardens

Diervilla lonicera Diervilla lonicera
(Northern bush honeysuckle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

While not a true honeysuckle (Lonicera spp. and cvs., USDA Hardiness Zones 3-10), Northern bush honeysuckle has honeysuckle-like yellow flowers and glossy green foliage on a native, deciduous shrub 3 to 4 feet tall and 3 to 5 feet wide. The flowers appear in early summer and last through summer, and the foliage occasionally exhibits bright red fall color.

Diervilla sessilifolia 'Butterfly' Diervilla sessilifolia 'Butterfly'
(Southern bush honeysuckle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Southern bush honeysuckle has an attractive thicket-forming habit. Glossy green leaves with tapered tips emerge tinged with bronze and mature to mid-green on reddish stems. Sulfur-yellow flowers in terminal clusters to 3 inches across appear in summer.

Draba aizoides Draba aizoides
(Yellow whitlow grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Yellow whitlow grass is a small, semi-evergreen perennial perfect for growing in a trough, rock wall, or xeric bed. It grows to only 4 inches high and twice as wide. This delightful, drought-tolerant miniature has spiny rosettes of lustrous green leaves through the winter and cheerful yellow flowers in early spring.

Dyckia fosteriana 'Cherry Cola' Dyckia fosteriana 'Cherry Cola'
('Cherry Cola' dyckia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Cherry Cola' , a relatively new cultivar, features deep, dark burgundy foliage and small but sharp teeth (handle with care!). In summer, orange blossoms appear, and hummingbirds love them. Like other Dyckias, this plant tolerates extreme heat and is perfect for hot, dry locations. -Jeff Moore, Regional Picks: Southwest, Fine Gardening issue #120

Eccremocarpus scaber Eccremocarpus scaber
(Chilean glory flower, Chilean glory vine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fast-growing, evergreen climber has sharply 4-angled stems and red-orange tubular flowers tipped with yellow that are borne in clusters 4 to 6 inches long. Chilean glory flower blooms from late spring to autumn. Light green leaves are small, ovate, and boldly veined.

Echinacea 'Art's Pride' Echinacea 'Art's Pride'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cross of E. purpurea 'Alba' and E. paradoxa bears narrow coppery-orange ray petals and prominent deep brown central cones. The fragrant blooms open from early to late summer with sporadic later bloom. It has semi-glossy leaves and grows 2 to 3 feet tall.

Echinacea 'Harvest Moon' Echinacea 'Harvest Moon'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant, earthy-gold petals and golden orange central cones. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

Echinacea 'Sundown' Echinacea 'Sundown'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant, russet-orange petals and reddish-brown central cones. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

Echinacea 'Sunrise' Echinacea 'Sunrise'
(Coneflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant, pale citron petals and green-maturing-to-copper central cones. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

Echinacea 'Sunset' Echinacea 'Sunset'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant, vibrant salmon-orange petals and brown central cones. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

Echinacea 'Twilight' Echinacea 'Twilight'
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the exceptional Big Sky™ series (E. paradoxa crossed with E. purpurea), bearing fragrant rose-colored petals and stunning red central cones on 24-inch plants. These hybrids have all inherited the large green leaves, strong branching stems, wide flower petals, and profuse blooming tendencies of E. purpurea.

no image available Echinacea angustifolia
(Coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native meadow perennial has daisy-like blossoms in early summer. It bears copper-orange central cones surrounded by short, arching, ray petals in pink or purple-pink, and occasionally white.

Echinacea purpurea Echinacea purpurea
(Purple coneflower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Because of its carefree performance, this native meadow perennial with daisy-like flowers appropriately inhabits the gardens of many. It blooms from midsummer into early autumn, with prominent, copper-orange central cones surrounded by rose-purple, ray petals (to 5 inches across).

Echinacea purpurea Echinacea purpurea
(Purple coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Create a field full of gorgeous pink blooms with easy-to-grow Echinacea seeds. Butterflies and Hummingbirds will flock to your property each summer and the multitude of blooms make for spectacular bouquets. -American Meadows

Echinacea purpurea 'Fragrant Angel' Echinacea purpurea 'Fragrant Angel'
('Fragrant Angel' coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Coneflowers have much to offer the garden, and now they have fragrance, too. 'Fragrant Angel' has large, sweetly scented flowers made up of two rows of white petals surrounding a greenish orange cone. The plants grow to 40 inches and attract butterflies. Grow them in a border, meadow, cottage garden, or cut flower garden.

Echinacea purpurea 'Kim's Knee High' Echinacea purpurea 'Kim's Knee High'
(Purple coneflower)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native meadow derivative is a compact version of the species. It blooms from midsummer into early autumn, with prominent, copper-orange central cones surrounded by drooping, rose- or purple-pink ray petals. It will reach 24 inches if not cut back.

Echinacea purpurea 'Magnus' Echinacea purpurea 'Magnus'
(Purple coneflower)
(12 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native meadow derivative has vibrant, daisy-like flowers that bloom from midsummer into early autumn. Its prominent, dark orange central cones are surrounded by larger (to 7 inches across) and more horizontal, reddish-pink, ray petals than the species.

Echinacea purpurea ‘Bright Star’ Echinacea purpurea ‘Bright Star’
(Purple coneflower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native meadow derivative with daisy-like flowers blooms from early summer into early autumn. 'Bright Star' has prominent, copper-orange central cones surrounded by red-purple ray petals (to 5 inches across), and grows to less than 3 feet tall.

Echinacea purpurea ‘White Swan' Echinacea purpurea ‘White Swan'
(White coneflower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar of a native meadow coneflower has white, daisy-like flowers from early summer into early autumn. Its prominent, coppery-green, central cones are surrounded by large white ray petals that reach 4.5 inches long.

Echinacea tennesseensis 'Rocky Top' Echinacea tennesseensis 'Rocky Top'
(Tennessee coneflower)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The 'Rocky Top' hybrid offers the garden an abundance of pastel pink coneflowers with greenish-black cones on plants 2 to 3 feet tall and 1 foot wide. Interestingly, the flowers follow the sun like sunflowers and the petals sometimes curl upward slightly. Use this compact coneflower in borders, meadows, or as cut and dried flowers. E. tennesseensis was thought to be extinct in the 1960s, but was rediscovered and is now widely available as a garden plant.

Echinocactus grusonii Echinocactus grusonii
(Golden barrel cactus, Mother-in-law's cushion)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Golden barrel cactus has a rounded form that eventually elongates. Bright green stems bear 20 to 40 sharply angled ribs. Yellow areoles produce golden yellow spines. Bright yellow flowers appear in summer.

Elaeagnus pungens 'Maculata' Elaeagnus pungens 'Maculata'
(Variegated silverberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen shrub can light up the dark corners of a garden. It grows quickly, and its branches are arched and somewhat spiny. Bright yellow,  3- to 4-inch-long leaves splashed are outlined in green. The twigs are a metallic copper color, and the undersides of the leaves are specled with a copper color, too. Tiny white flowers appear under the leaves in fall. They are hard to see, but very fragrant. Small orange fruit appear in spring. -Michael Lee, Fine Gardening issue #119

Elaeagnus umbellata Elaeagnus umbellata
(Autumn olive)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Autumn olive is a vigorous, deciduous shrub with pale yellow-white bell-shaped flowers to a half-inch long borne in late spring and early summer. Its silvery fruit turns red in fall and attracts birds. Wavy-margined leaves are silvery when they emerge and mature to bright green above.

Elymus arenarius Elymus arenarius
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant has densely tufted, spreading clumps of strap-like, flowing foliage. Pale blue-gray leaves arch loosely. In summer, it produces stiff, upright, blue-gray spikes of flowers that turn buff.

Epimedium × rubrum Epimedium × rubrum
(Red epimedium, red barrenwort, bishop's hat)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Early in the season, the thin, heart-shaped leaves of this plant have a red tinge, which turns to bronze in fall. Plant red epimedium along a path, where its delicate foliage and tiny spring flowers can be admired. -Marty Hair, Regional Picks: Upper Midwest, Fine Gardening issue #127

Eremurus robustus Eremurus robustus
(Foxtail lily, Desert candle)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species produces very tall spires of pale pink flowers with yellow stamens atop leafless stems that puncture vertical space with unmatched elegance.

Erigeron karvinskianus Erigeron karvinskianus
(Fleabane)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Profusion' fleabane is a carpeting, rhizomatous, woody-based perennial with lax, branching stems and abundant yellow-centered white flowers in summer. Blossoms fade to pink and purple. Foliage is hairy and grayish green. Excellent in containers.

Eriogonum umbellatum Eriogonum umbellatum
(Sulfur flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Wild buckwheats have assumed star roles in drought-tolerant landscapes throughout the West, and none is more useful than sulfur flower. It has wonderful evergreen foliage with brilliant blooms from late spring through late summer. Long-lived, this perennial is so adaptable that it also thrives in humid climates.

Eschscholzia californica Eschscholzia californica
(California poppy)
(1 user review)

California poppies grow to about 12 inches tall, and their pretty foliage is ferny, like carrot tops. They come in a variety of colors, from the standard golden orange, to yellow, cream, and red. Grow them in a border or rock garden.

no image available Eschscholzia californica 'Rose Chiffon'
(Rose chiffon)
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California poppies grow to about 12 inches tall, and their pretty foliage is ferny, like carrot tops. This cultivar has soft rose colored, double blooms with yellow centers.

Eucalyptus neglecta Eucalyptus neglecta
(Omeo gum, Omeo round-leaved gum)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a very hardy, strongly aromatic eucalyptus with large leaves and white flowers. It makes a good specimen.

Euonymus alatus Euonymus alatus
(Burning bush, Winged spindle tree)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The familiar burning bush is a dense, flat-topped, deciduous shrub with a rounded, horizontal branching habit. Reddish purple fruit grows beneath the simple, finely toothed, dark green leaves. Foliage turns an extremely showy bright red in autumn. Smaller cultivars exist.

Euonymus fortunei 'Minimus' Euonymus fortunei 'Minimus'
(Dwarf wintercreeper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Minimus' has smaller leaves than other plants of the species and a very low-growing, spreading habit. This evergreen shrub is best used as a groundcover, but it can climb as a vine if given support. It forms a dense mat of quarter-inch leaves. It may suffer winter burn in cold climates.

no image available Euphorbia amygdaloides ‘Rubra’
(Wood spurge)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar has a compact, bushy habit to 20 inches tall and purple-red flushed leaves, especially on new growth and in winter. It produces yellow bracts in mid-spring and early summer.

Euphorbia amygdaloides var. robbiae Euphorbia amygdaloides var. robbiae
(Mrs. Robb's bonnet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This variety has dark, glossy evergreen leaves arranged in tight rosettes, and it produces yellow-green bracts in mid-spring and early summer.

Euphorbia antisyphilitica Euphorbia antisyphilitica
(Candelilla)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Candelilla forms an upright clump of slender, waxy gray-green stems. Inconspicuous leaves appear on new growth but quickly drop with the first dry spell. Tiny flowers of cream and rosy pink periodically hug the upper portion of the stems throughout the warm season, particularly in response to rain. Candelilla is perfect for narrow planting strips because its stems grow straight up in tight bundles.

no image available Euphorbia characias
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright, evergreen shrub has stunning texture and form. Its gray-green leaves and woolly, purple-tinged stems form billowy, 4-foot long branches. From early spring to early summer, it produces giant cylindrical bract clusters in yellow-green with purple-black nectar glands, and creates a specimen that looks otherworldly.

Euphorbia cotinifolia Euphorbia cotinifolia
(Tropical smoke bush, Caribbean copper plant)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

With its woody stems and oval-shaped leaves, this perennial looks a lot like a tree. Like other members of the euphorbia family, it has milky sap and tiny flowers. Most of the appeal comes from the leaf color. dark burgundy on older leaves, a brighter red on new foliage. The foliage generally dies back in winter. -Jeff Moore, Regional Picks: Southwest, Fine Gardening issue #120

no image available Euphorbia dulcis
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species produces erects stems of bronzy green leaves and greenish yellow bracts in early summer. In autumn, its leaves turn shades of red, orange, and gold.

Euphorbia dulcis 'Chameleon' Euphorbia dulcis 'Chameleon'
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This notable species produces erect stems of bronzy burgundy leaves and purple-green bracts in early summer. It looks exceptional when placed near contrasting plants. The foliage may be cut back after flowering to produce fresh growth.

Euphorbia griffithii Euphorbia griffithii
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has red stems and dark green leaves, which emerge in spring with a reddish tinge. In early summer, it bears conspicuous bracts of orange-red or red. 

Euphorbia griffithii 'Fireglow' Euphorbia griffithii 'Fireglow'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Fireglow' bears conspicuous bracts in vivid orange-fuchsia in early summer. It has red stems and dark green leaves, which emerge in spring with a reddish tinge.  

Euphorbia inneuphdia

Euphorbia inneuphdia


(Diamond Frost® euphorbia)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Diamond Frost euphorbia is an absolute workhorse in the garden, blooming almost the entire planting season and with no deadheading needed. Don't let its delicate appearance fool you - it's exceptionally resistant to both heat and frost.

no image available Euphorbia rigida
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species is similar to E. myrsinites, but its habit is first erect before spreading, and its steely blue leaves are more narrow and pointed. It also bears terminal yellow bracts from early spring to summer.

no image available Euphorbia tirucalli
(Pencil tree, Finger tree)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This unusual looking plant has many succulent, pencil-like branches. The leaves are small and short-lived, and the flowers are insignificant. Euphorbia tirucalli can grow to almost 30 feet in the wild, but it can be used as a smaller specimen or container plant in the garden. It is hardy only in Zone 11.

Evolvus Blue My Mind™ Evolvus Blue My Mind™
(Blue My Mind™ evolvus)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Blue is hard to get one's hands on in the garden, but Blue My Mind™ evolvus fills the void! This heat-tolerant beauty makes a stunning addition to containers beds alike, and it's so polite that it doesn't even need deadheading.

Fagus sylvatica

Fagus sylvatica


(European beech)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

An excellent shade tree, this European-native deciduous tree grows to 80 feet tall and 50 feet wide and features an upright, oval form and dark shiny green leaves that turn yellow to rust-colored in fall. Its spring flowers are insignificant, though the small nuts that follow are favored by birds and squirrels. This tree is slow-growing. Several cultivars are available, including those with differing forms and foliage colors.

Fallugia paradoxa Fallugia paradoxa
(Apache plume)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A member of the rose family (Rosaceae), Apache plume has single, white, rose-like flowers in a fine-textured shrub up to 5 feet tall and 8 feet wide. Flowering occurs from late spring until late summer, and is followed by clouds of showy, pink, feater-duster-like seed heads that are just as showy as the flowers.

Festuca glauca 'Boulder Blue' Festuca glauca 'Boulder Blue'
(Blue fescue, Gray fescue)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Regarded by some as the bluest blue fescue, this plant forms compact, cascading mounds of foot-tall, intensely blue, narrow leaves that are attractive in all seasons. Blooms are generally secondary to the foliage, but this cultivar blooms more heavily than most, with spikelets in summer. This cultivar is long-lived and very hardy. Grow in groups in a border or rock garden, or as a groundcover. 

Festuca glauca 'Elijah Blue' Festuca glauca 'Elijah Blue'
(Blue fescue, Gray fescue)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

These compact tufts of 8-inch-long powder-blue leaves are well suited for edging and naturalizing in the rock garden. 

no image available Forestiera neomexicana
(New Mexico privet, Wild olive)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This perennial shrub or small tree has an upright form that reaches heights of up to 10 feet. It blooms before grayish-green foliage emerges. Leaves mature to bright green and contrast beautifully with one-year-old black bark. Small, attractive black berries appear in autumn.

Fouquieria splendens Fouquieria splendens
(Ocotillo)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This southwestern native shrub grows to 20 feet tall and 15 feet wide and sports long, dull, spiny stems that green up and leaf out after a rain, followed by long, scarlet flowers that attract hummingbirds.When dry conditions return, ocotillo drops its leaves again. This cycle can replay several times a season. Great as a surprising specimen or forbidding hedge.

Gardenia augusta 'MADGA 1' Gardenia augusta 'MADGA 1'
(Heaven Scent® gardenia )
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This gardenia cultivar features a very tight, upright form that is perfect for smaller gardens. It also boasts increased cold tolerance while maintaining the lustrous dark green foliage and abundant fragrant blooms you’ve come to expect from this genus.

Geranium × oxonianum 'Wargrave Pink' Geranium × oxonianum 'Wargrave Pink'
(Cranesbill)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Wargrave Pink' is a vigorous perennial suitable for groundcover. The notched, funnel-shaped, salmon-pink flowers bloom all season. 

Geranium cinereum ‘Ballerina’ Geranium cinereum ‘Ballerina’
(Geranium)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This beautiful, mounded, dwarf perennial has gray-green leaves (grayer than the species) and large, purplish pink flowers with purple veins and eyes. 

Geranium nodosum Geranium nodosum
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This attractive groundcover blooms all summer and is tolerant of diverse habitats. It has glossy leaves and notched, 1.25-inch lilac-pink flowers with darker veins.

Geum 'Mango Lassi' Geum 'Mango Lassi'
('Mango Lassi' geum)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen perenial grows to 4 to 16 inches tall and 12 to 24 inches wide and blooms from late spring to fall (with deadheading) with double flowers in shades of apricot and buttery yellow.

no image available Geum triflorum
(Prairie smoke, Purple avens)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This prairie native bears nodding, pinkish-maroon flowers in spring, followed by seed heads that resemble wisps of cotton candy and connote the plant's common name. The upright, ferny foliage is beautiful, and can be evergreen in mild climates. 

Ginkgo biloba Ginkgo biloba
(Maidenhair tree)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

One of the oldest tree species on the planet, ginkgo grows only about a foot a year, reaching 50 to 80 feet. Female trees set fleshy fruit that smell unpleasant as they decay; they contain edible nuts.

Goodyera pubescens Goodyera pubescens
(Jewel orchid, Downy rattlesnake plantain)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native terrestrial orchid produces basal rosettes of striking silvery-veined evergreen foliage. Small white flowers are borne on single slender stems about 6 to 10 inches tall in late summer.

Grevillea 'Moonlight' Grevillea 'Moonlight'
('Moonlight' grevillea)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This stunning shrub blooms all year in some climates. A fast grower, its large, moonlight-colored flowers and finely divided, gray foliage are a must for any southern-temperate garden. Frost and drought tolerant once established, it attracts bees and hummingbirds and makes an excellent screening shrub.

Hakea laurina Hakea laurina
(Pincushion hakea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Through the fall and into winter, pincushion hakea provides beautiful cut flowers for the holidays; the foliage and seedpods are also great for arrangements. You can prune it into a bushy shape or a slender, small tree. As a member of the Protea family, pincushion hakea does not like phosphorus fertilizer, and like most Australian plants, it prefers to be well mulched so that its specialized roots can extract nutrients from the mulch layer.

Hamelia patens Hamelia patens
(Mexican fire bush, Scarlet bush, Firecracker shrub)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A tropical tree by design, the Mexican fire bush freezes to the ground in winter in Zones 8-11, but grows up to 5 feet tall by summer's end. The erect, branched, woody stems bear simple copper-toned leaves with small orange flowers bunched along the tips. It loves the heat, and the more you can give it, the more vigorous it will be.

Helenium ‘Butterpat’ Helenium ‘Butterpat’
(Sneezeweed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Sneezeweed is a clump-forming perennial with sturdy, branching stems and mid-green leaves. In August and September, masses of 2-inch, daisy-like yellow flowers are borne in large, loose terminal clusters on leafy 4- to 5-foot tall stems.

Helictotrichon sempervirens Helictotrichon sempervirens
(Blue oat grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Dramatic powder blue foliage and spiky architecture are hallmarks of this plant. The leaves resemble rigid, tapering pieces of steel blue linguine collected in a porcupine-like dome.

Helleborus foetidus Helleborus foetidus
(Stinking hellebore, Bear's foot, Dungwort, Stinkwort)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The early, long-lasting, sometimes fragrant blooms of this hellebore are borne in clusters in late winter to early spring. The pendent flowers are a muted yellow-green, often with purple margins, and have large pale green bracts. Helleborus foetidus has dramatic, deeply-cut foliage that holds up through the winter. Leaves smell unpleasant when crushed.

Helleborus orientalis Helleborus orientalis
(Lenten rose)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hairless or slightly hairy perennial has over-wintering, leathery, deep green basal leaves each divided into 7 or 9 leaflets. From January until May, masses of white or greenish-cream flowers, becoming pink with age, appear on branched stems.

Heptacodium miconioides Heptacodium miconioides
(Seven-son flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The tiered branches of this fast-growing species are covered with white blossoms for over a month, starting in late summer. The flowers fade to reveal fuchsia calyxes that persist well into autumn. The pale, peeling bark can be exposed by pruning the lower branches of the interior. Although the form of the species is variable (single or multi-stemmed), it can usually be pruned into an elegant vase-shaped specimen, or maintained as a shrub.

Hesperaloe parviflora Hesperaloe parviflora
(Red yucca)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A clump-forming succulent, red yucca has arching, leathery, linear foliage rising to between 2 and 3 feet tall. Dark olive-green leaves with no thorns or spines are sparsely covered with fibrous strands along the margins. Deep coral pink flowers with golden yellow throats crowd the length of the stalks that reach three feet or more. Foliage has a reddish bronze hue during winter's chill for year-round interest.

Hesperis matronalis Hesperis matronalis
(Sweet rocket, Dame's violet, Wild phlox)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is a biennial or short-lived perennial with leafy stems and 4- to 8-inch-long toothed, hairy leaves. Lilac or purple, sometimes white, flowers are borne from late spring to midsummer in racemes or panicles.

Heteromeles arbutifolia Heteromeles arbutifolia
(Toyon, Christmas berry, California holly)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen, California-native shrub grows to 20 feet tall and wide and produces abundant clusters of tiny white flowers in early summer, which attract beneficial insects that help control pests. This is followed by bright red berries that feed wildlife in fall and winter. The only species of its genus, Toyon is closely related to the genus Photinia.

no image available Hibiscus rosa-sinensis
(Chinese hibiscus, Hawaiian hibisicus, Rose of China)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This rounded, woody, evergreen shrub or small tree has lance-shaped, glossy dark green leaves with toothed margins. It bears 4- to 6-inch blossoms all summer. Solitary, five-petaled flowers 4 inches across range from single to ruffled and double. Colors include yellow, orange, pink, red, and combinations.

Himalayacalamus falconeri ‘Damarapa’ Himalayacalamus falconeri ‘Damarapa’
(Noble bamboo)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This perennial bamboo has dense clumps of smooth, olive-green, hollow, glossy culms, stained purple at the nodes, and linear, blue-green leaves to 6 inches long.

Hosta 'Aspen Gold' Hosta 'Aspen Gold'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Perfectly round, puckered, bright-gold leaves have a pattern resembling seersucker fabric. Pale-lavender flowers appear in early summer.

Hosta ‘August Moon’ Hosta ‘August Moon’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This large and vigorous mounding hosta reaches 20 to 24 inches tall and 36 to 42 inches wide. Heart-shaped, cupped, puckered, pale green leaves provide interesting and attractive texture. Bell-shaped, grayish white flowers are borne on 28-inch-long scapes from mid-July through early August.

Hosta 'Fort Knox' Hosta 'Fort Knox'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright selection reaches 24 inches tall and 44 to 48 inches wide. 'Fort Knox' has an elegant vase-shaped habit and radiant yellowish-gold leaves 10 inches long by 6 inches wide. Lavender flowers appear in midsummer.

Hosta 'Fortunei Albo-marginata' Hosta 'Fortunei Albo-marginata'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Bold, large, shield-shaped leaves with a deep green center and creamy-white margins turn white with age. Funnel-shaped mauve flowers borne on leafy scapes 32 inches long appear in midsummer.

Hosta 'Little Aurora' Hosta 'Little Aurora'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A fast grower, 'Little Aurora' has cupped, puckered leaves and a metallic sheen, with soft-lavender flowers from late June into early July.

Hosta 'Piedmont Gold' Hosta 'Piedmont Gold'
(Hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A robust, clump-forming perennial, 'Piedmont Gold' has prominently veined, wavy-margined, bright-gold leaves 10 inches long by 7 inches wide. It reaches an average height of 18 to 25 inches tall and 40 inches wide. White flowers on 26-inch stems appear in midsummer.

Hosta 'Sum and Substance' Hosta 'Sum and Substance'
(Hosta)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A botanical giant, 'Sum and Substance' averages 30 inches tall by 60 inches wide, sometimes more. Upright, heart-shaped, flat leaves have a glossy chartreuse hue that changes to gold when exposed to more light. Near-white lilac blooms borne on leaning scapes 36 inches long appear from late July through mid-August.

Hosta 'Sun Power' Hosta 'Sun Power'
(Hosta)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Sun Power' is a clump-forming perennial with oval to heart-shaped, yellowish green leaves below funnel-shaped, pale-lavender to white flowers in midsummer.

Hosta kikutii 'Hillbilly Blues' Hosta kikutii 'Hillbilly Blues'
(Japanese rock hosta)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A clump-forming perennial with flat-spreading, blue-colored leaves, Japanese rock hosta bears funnel-shaped white flowers, sometimes flushed with purple, on arching, leafy scapes 24 inches long.

Humulus lupulus 'Aureus' Humulus lupulus 'Aureus'
(Hops)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Aureus' is a fast-growing, twining perennial with roughly hairy shoots and deeply lobed, maple-like leaves in a luminous, clear shade of yellow. Clusters of subtle, fragrant, greenish yellow flowers add texture in summer and mature to pendent, papery, cone-shaped fruits.

Hydrangea paniculata 'Limelight' Hydrangea paniculata 'Limelight'
('Limelight' panicle hydrangea)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This variety of the popular panicle hydrangea boasts very large, lime green blooms in mid-summer that turn pink in fall. A deciduous shrub, it grows to 8 feet tall and 6 feet wide with large, mid-green leaves. The blooms make good cut and/or dried flowers, but can be left on the plant for winter interest.

Iberis sempervirens Iberis sempervirens
(Evergreen candytuft)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen subshrub slowly spreads to form a tidy cushion of shiny dark green leaves. In late spring and early summer, numerous flattened clusters of 4-petaled snow-white flowers nearly cover the foliage. Iberis sempervirens makes an effective edging for a sunny border.

no image available Illicium mexicanum
(Mexican anise tree)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Attractive, glossy, dark green leaves and red flowers are similar to those of Florida anise, but this plant flowers continuously from spring to fall. Red fruit follows.

Impatiens auricoma 'Jungle Gold' Impatiens auricoma 'Jungle Gold'
('Jungle Gold' impatiens)
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Yellow blooms resembling orchids and large, glossy leaves makes 'Jungle Gold' an interesting addition to containers, where it will bloom more profusely than if it were in the ground. It performs well in shade.

Ipomoea × multifida Ipomoea × multifida
(Cardinal climber)
(1 user review)

Cardinal climber is a twining annual with deeply lobed mid-green leaves and 1-inch crimson blooms with white throats appearing in summer.

Ipomoea alba Ipomoea alba
(Belle-de-nuit, Moonflower)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This twining perennial has evergreen, oval or rounded, mid- to dark green leaves. Fragrant, 6-inch white blooms appear in early summer to fall, opening in early evening.

Ipomoea quamoclit Ipomoea quamoclit
(Cypress vine, Star glory)
(5 user reviews)

An annual twining climber with deeply cut, feather-fine leaves, cypress vine bears rich red inch-wide blossoms. Slender-tubed starry flowers are beautifully set off by gossamer foliage and stay open all day long.

Ipomoea tricolor and cvs. Ipomoea tricolor and cvs.
(Morning glory)
(4 user reviews)

Morning glory is a fast-growing, twining annual with heart-shaped light to mid-green leaves and vibrantly colored, funnel-shaped flowers to 3 inches across. Cultivars include white-colored ‘Pearly Gates’; ‘Heavenly Blue’; crimson-colored, white-throated ‘Crimson Rambler’; and ‘Flying Saucers’, a batik-looking blend of white and blue accented by a golden throat.

Jasminum nudiflorum Jasminum nudiflorum
(Winter jasmine, Hardy jasmine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This slender, deciduous shrub has arching green shoots and dark green leaves divided into three oval-oblong leaflets. Solitary bright yellow flowers borne on leaf axils appear before the leaves in winter and early spring. They do not have the jasmine fragrance.

Juniperus × pfitzeriana ‘Daub’s Frosted’ Juniperus × pfitzeriana ‘Daub’s Frosted’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen shrub has a low, spreading habit and attractive, two-toned foliage. The pendulous foliage tips are frosted with gold on the upper surface and blue-green foliage on the underside. 'Daub's Frosted' reaches 15 inches tall by 5 feet wide at maturity. Dark purple fruit becomes paler later.

Juniperus × pfitzeriana ‘Mint Julep’ Juniperus × pfitzeriana ‘Mint Julep’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen shrub has rich, bright-green fine-textured foliage in summer. The compact habit is fountain-like, as its branches arch at a 60° angle out from its base. Reaches a mature size of 4 to 5 feet tall and 6 to 8 feet wide.

Juniperus chinensis 'Iowa' Juniperus chinensis 'Iowa'
(Chinese juniper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a slow-growing evergreen shrub with a formal appearance, with its narrow, columnar form and outstanding gray-green foliage. It grows to 15 feet tall and 10 feet wide at maturity. Its growth remains dense as it matures. Silvery-blue, waxy berries are highly decorative.

Juniperus chinensis ‘Shoosmith’ Juniperus chinensis ‘Shoosmith’
(Chinese juniper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Shoosmith'  is an evergreen shrub with a broad spreading habit, reaching 6 feet tall and 4 feet wide at maturity. Light-green juvenile foliage and rich dark-green adult foliage on the same plant creates a two-toned effect.

Juniperus horizontalis 'Wiltonii' Juniperus horizontalis 'Wiltonii'
(Blue rug juniper, Wilton's juniper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This creeping shrub has a prostrate form and dense, steely blue foliage. The mature height is 1 foot tall. Scale-like green leaves turn a dull purple in winter. Blue rug juniper creates a flat ground cover. It grows 6 to 12 inches per year and bears ovoid dark blue fruit.

Juniperus sabina ‘Blue Forest’ Juniperus sabina ‘Blue Forest’
(Savin juniper)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This spreading, low-growing shrub has attractive bluish-green foliage and unusual upturned branches that create the appearance of a miniature blue forest. The mature size is 10 inches tall, with a spread that can reach 4 feet wide.

Kalmia latifolia and cvs. Kalmia latifolia and cvs.
(Mountain laurel, Calico bush)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This U.S. native shrub has glossy, dark green leaves. Bowl- or cup-shaped pink to white flowers are borne in large clusters from late spring to midsummer. Cultivars include white-flowered 'Pristine', suitable for Zone 8; red-budded, pink-flowered 'Olympic Fire' and 'Sarah'; compact 'Elf' and 'Minuet'; and, for Zone 5, red-budded ‘Nathan Hale’ and 'Ostbo Red'.

Knautia macedonica Knautia macedonica
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming perennial reaches 2 to 3 feet in height and nearly as wide. Small but long-lasting wine-red pincushion-like flowers form on slender stems. The rosettes of pinnatifid basal leaves overwinter.

Kolkwitzia amabilis Kolkwitzia amabilis
(Beautybush)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Deciduous, suckering shrub bearing a profusion of bell-shaped flowers, pale to deep pink with a yellow throat, in late spring and early summer. Dark-green foliage adds appeal when not in bloom.

no image available Laburnum × watereri
(Golden chain tree)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Dense clusters of pendulous yellow flowers dangle from spreading branches in late spring. Leaves are dark green. Smooth green bark adds some winter interest.

Lagerstroemia 'GAMAD I' Lagerstroemia 'GAMAD I'
(Cherry Dazzle® Dwarf Crapemyrtle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact shrub was bred by the noted horticulturist, Dr. Michael Dirr. It was selected not only for its small stature but also for its excellent disease resistance and standout flower color.

Lagerstroemia fauriei Lagerstroemia fauriei
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a fast-growing, upright deciduous tree with delicate white flowers in early summer. As it matures, it develops a spectacular patchwork of bark in shades of gray, maroon, and brown. Oblong dark green leaves turn red-orange in autumn. Cultivar 'Fantasy' is vigorous and hardier than the species, with exceptional bark.

Lagerstroemia indica Lagerstroemia indica
(Crape myrtle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Crape myrtle is an upright deciduous tree or large shrub. Dark green leaves emerge bronze. White, pink, red, or purple flowers appear from summer to autumn. Peeling gray-and-brown bark is attractive. 

Lamium galeobdolon 'Hermann's Pride' Lamium galeobdolon 'Hermann's Pride'
(Deadnettle, yellow archangel )
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Hermann's Pride' is small, but bold. Unlike the rampantly creeping variegated yellow lamium (Lamium galeobdolon 'Variegatum'), the lamium cultivar ‘Hermann’s Pride’ is a slow-growing, clump-forming treasure that grows like a small bush, beautiful in foliage (jagged, silvery, and green) and flower (brilliant yellow). Masses of flowers appear in late spring to early summer. While some may have trouble controlling this cultivar, it behaves meekly in harsh climates. -Sue Whetten, Regional Picks: Rocky Mountains, Fine Gardening issue #127

Larix decidua and cvs. Larix decidua and cvs.
(European larch)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A deciduous conifer with a pyramidal growth habit, European larch has pendulous lower branches. In spring, needles emerge a shiny chartreuse, turning to deep green by summer and to sunset gold in late fall. Cultivars include 'Pendula', a weeping cultivar; 'Fastigiata', a narrow and upright variety; and 'Pyramidalis'.

no image available Larix kaempferi
(Japanese larch)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Fissured and scaly bark bark is tinted rust-brown in winter. Purplish red winter shoots are covered in a waxy bloom. Gray-green or bluish green leaves grow to 1.5 inches long.

Lathyrus odoratus and cvs. Lathyrus odoratus and cvs.
(Sweet pea)
(1 user review)

This annual climber has winged stems and deliciously fragrant, ruffled blossoms. Many cultivars exist with varying bloom color (solid, mixed, or bicolor), size, and climbing habit.

Lathyrus tingitanus Lathyrus tingitanus
(Tangier pea)
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A vigorous grower, this plant climbs by grasping tendrils, reaching 10 feet high. It has sweet-pea-like flowers and lacy foliage composed of pairs of leaflets.

Lavandula × intermedia 'Grosso' Lavandula × intermedia 'Grosso'
('Grosso' lavender)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hardy lavender stands out for its unusually large, dark blue-purple flowers, silvery green foliage, and heavy fragrance. It is often used in perfumes. Growing to 30 inches tall and nearly as wide, 'Grosso'  has very long flower spikes and blooms from midsummer into autumn. It is especially attractive as an edging.

Lavandula angustifolia 'Violet Intrigue' Lavandula angustifolia 'Violet Intrigue'
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Violet Intrigue' exhibits the typical handsome gray foliage of good lavenders, but its form and flowers are particularly noteworthy. Each stem is strongly upright, and requires no staking, and the blooms are a deep violet that remains vibrant even when temperatures rise. Other than occasional deadheading, no additional maintenance chores are required.

Lavandula angustifolia Lavandula angustifolia
(English lavender)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

English lavender has silvery gray, aromatic foliage topped in summer with lavender-blue to dark purple flowers on long stems.

Leucophyllum frutescens Leucophyllum frutescens
(Silver leaf, Texas sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Silver leaf is a flowering evergreen shrub with arching branches and woolly, silvery gray leaves. In summer, it bears solitary, bell-shaped rose-purple flowers an inch across.

Lewisia tweedyi Lewisia tweedyi
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen perennial has broad, lance-shaped mid-green leaves  to 4 inches long, tinted with purple and borne in basal rosettes up to 18 inches in diameter. Open, funnel-shaped, pink-to-cream flowers to 3 inches across appear once in early spring.

Liatris aspera Liatris aspera
(Rough gayfeather, Rough blazing star)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tuberous perennial has dense clusters of linear, rough leaves borne in basal tufts to 16 inches long. Dense spikes, up to 18 inches long, of button-like lavender-purple flowerheads are borne in late summer and early autumn. Blooms open from the top of the inflorescences downward.

Ligustrum vulgare and cvs. Ligustrum vulgare and cvs.
(Common privet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Privet is a bushy, deciduous or semi-evergreen shrub with oval to lance-shaped dark green leaves. White flowers borne in panicles to 2 inches long in early summer and midsummer mature to spherical black fruit.

no image available Lilium candidum
(Madonna lily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

One of the oldest garden flowers, the madonna lily has bright green hosta-like basal rosettes appearing in winter and shallow-rooted bulbs that give it a distinctive appearance. In late spring, it thrusts up leafy torches topped with pristine scented blossoms in a raceme of 5 to 10 trumpet-shaped flowers.

Limonium latifolium Limonium latifolium
(Sea lavender)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Sea lavender is a rosette-forming perennial with mid- to dark-green leaves to 12 inches long, occasionally to 24 inches. Deep lavender-blue flowers are borne in panicles made of spikelets on wiry stems.

Lonicera japonica Lonicera japonica
(Japanese honeysuckle)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous, woody evergreen or semi-evergreen trailing vine has dark green leaves to 3 inches long. Tubular, two-lipped, fragrant white flowers are sometimes flushed with purple, aging to yellow. Blooms appear from spring to late summer. Flowers mature to blue-black fruit.

Lonicera periclymenum ‘Harlequin’ Lonicera periclymenum ‘Harlequin’
(Common honeysuckle, Woodbine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This variegated deciduous vine has two shades of green at the center of the leaf and creamy white margins. Leaves brighten to hot pink in the fall. Pink buds and pastel pink and cream flowers are sweetly scented.

Lonicera sempervirens Lonicera sempervirens
(Coral honeysuckle, Trumpet honeysuckle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This woody, twining climber has two-lipped, tubular scarlet-orange flowers, yellow inside, in terminal whorls in summer and autumn. Bright red fruit appears in autumn.

Loropetalum chinense 'Chang Nian Hong' Loropetalum chinense 'Chang Nian Hong'
(Ever Red® Loropetalum )
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This new, compact loropetalum has the reddest blooms of all cultivars. Dark burgundy foliage retains its color throughout the year. Great for specimen planting, mass plantings and borders.

Lychnis coronaria and cvs. Lychnis coronaria and cvs.
(Rose campion, Crown pink, Mullein pink, Dusty miller)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Gray-green, spear-shaped leaves form a low, tidy, circular mound about 1 foot in diameter. This plant puts on a dazzling show of five-petaled magenta flowers on straight stalks about 2 feet high in mid-spring. 

no image available Lygeum spartium
(Esparto grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Silver-blue, rushlike foliage is graced by one of the most distinctive flowers of all grasses: the inflorescence looks like little origami birds. 

Lysimachia ephemerum Lysimachia ephemerum
(Loosestrife, Silver loosestrife)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This herbaceous perennial forms clumps of gray-green leaves from which arise slender racemes of small white flowers with mauve-colored veins, making for an almost gray appearance. It makes an interesting cut flower, and the plant is not invasive like other loosestrifes.

Mahonia eurybracteata 'Soft Caress' Mahonia eurybracteata 'Soft Caress'
('Soft Caress' Oregon grape)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

“Soft caress,” indeed! You’ll barely recognize this shade dweller as an Oregon grape when it sends up its long slender foliage without a single thorn. Its spikes of fragrant, lemon yellow flowers bloom from fall through winter, and will add a jolt to any shady bed. But the large clusters of silver-blue berries that follow the blooms are what I look forward to most. For the best results, give this drought-tolerant perennial afternoon shade, well-draining soil, and plenty of water the first year. -Leslie Finical Halleck, Fine Gardening # 147 (October 2012), page 74

Mertensia pulmonarioides Mertensia pulmonarioides
(Virginia bluebells, Virginia cowslip)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming perennial has light blue to purplish blue pendulous flowers that open from pink buds atop 16- to 24-inch stems in mid- to late spring. Elliptic to ovate, hairless, bluish green leaves yellow and die back once the flowers fade after about 10 days.

Metasequoia glyptostroboides Metasequoia glyptostroboides
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous, monoecious, coniferous tree grows to 100 feet tall. Its oddly shaped, branch-pitted trunk is often deeply fluted and "buttressed" and has orange-brown bark. Attractive, lacy foliage is bright green in early summer, turning golden bronze before falling in autumn. Female cones are light brown and ovoid, while male cones are rounder, pendent, and darker brown.

Mirabilis jalapa Mirabilis jalapa
(Four o'clocks, Marvel of Peru)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This bushy perennial has oval, deep green leaves on branched stems. In summer, blooms appear: fragrant red, pink, magenta, yellow or white flowers with a delicate, faded-vanilla aroma. Flowers open in late afternoon and die by morning.

no image available Mirabilis multiflora
(Wild four o'clock)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Native to the southwestern U.S., California, and Mexico, wild four o'clocks cover themselves with hundreds of purple-pink, petunia-like blooms that open in unison in the afternoon or in the morning on cloudy days. Their musky fragrance attracts their primary pollinator, the hawkmoth. Grow in a border. xeric garden, or rock garden.  

Miscanthus sinensis 'Variegatus' Miscanthus sinensis 'Variegatus'
(Variegated Japanese silver grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Variegated Japanese silver grass is a boon in any garden where fine texture, a gentle color scheme, and a bit of swaying in the wind are welcome. This grass can be used as a focal point, an anchor plant, or even as a privacy screen.

Molinia caerulea ssp. arundinacea 'Sky Racer' Molinia caerulea ssp. arundinacea 'Sky Racer'
(Tall purple moor grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Skyracer' grows to about 3 feet wide and 2 to 3 feet wide, and in late summer to early fall, sends up delicate panicles to a height of 6 or 7 feet. This finely-textured ornamental grass is great for areas where you need height but don't have space for a wider, heavier plant. It works well in a sunny border but make sure you site it so you can see it closeup. Expect outstanding yellow color in fall.

Nepeta × faassenii ‘Dropmore’ Nepeta × faassenii ‘Dropmore’
(Catmint)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This cultivar is a clump-forming perennial with toothed gray-green leaves and larger flowers than the hybrid. It flowers profusely and long, especially if sheared. The blue-purple flowers are small but abundant, and the foliage is aromatic.

no image available Nerium oleander ‘Little Red’
('Little Red' oleander)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Little Red' is a dwarf selection of oleander, which is a large evergreen shrub. Its flowers are deep red and bloom all summer long. This plant is tough and drought-tolerant.

Nigella damascena and cvs. Nigella damascena and cvs.
(Love-in-a-mist, Devil-in-a-bush)
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Love-in-a-mist-bears delicate flowers 1.5 inches across in various shades of blue and white, surrounded by finely divided foliage. Blooms appear mainly in May and June, and sporadically throughout the summer, followed by attractive 1-inch-wide green seedpods that change to cream and burgundy over time.

Nolina nelsonii Nolina nelsonii
(Blue beargrass tree)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This yucca-like Mexican plant has bold bluish leaves to 3 feet long that have tiny serrations on the edges. It makes a stunning accent in the garden or in a container. It is hardy to 10°F and extremely drought tolerant. Thousands of tiny white flowers bloom on a 4-foot stalk on mature clumps.

no image available Olea europaea 'Little Ollie'
(Olive)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dwarf, non-fruiting olive cultivar is an evergreen tree reaching 4 to 6 feet high and wide. It has attractive dark green leaves.

Opuntia compressa Opuntia compressa
(Eastern prickly pear cactus)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Prickly pear cactus is a clump-forming and semi-prostrate plant. Flattened round-to-oval green pads 2-10 inches across have scattered needle-like spines and tufts of glochids (bristles). Showy bright yellow flowers appear in late spring and summer, maturing to edible, pulpy, red or purple fruit.

Origanum laevigatum and cvs. Origanum laevigatum and cvs.
(Marjoram, Oregano)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is a creeping perennial that reaches 24 inches tall. Dark green leaves have a rich purple tint, and its purplish pink flower clusters appear from late spring through autumn. ‘Herrenhausen’ (Zones 5–8) displays masses of showy pink flowers with maroon bracts on purplish stems. ‘Hopleys’ (Zones 7–10) is taller (up to 36 inches) with large, long-blooming, deep pink flowers, and is a vigorous grower, more tolerant of heat than ‘Herrenhausen’.

Origanum vulgare 'Aureum’ Origanum vulgare 'Aureum’
(Golden oregano)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Golden oregano is a robust creeper with tiny, rounded leaves 1/2 to 1 inch wide. Small, pink or lavender to purple flowers stand out above the foliage in early to late summer.

Paeonia suffruticosa Paeonia suffruticosa
(Tree peony)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright, sparsely branched, woody shrub reaches 4 to 10 feet tall. It's easy to grow but slow-growing. It displays dark green leaves that are blue-green beneath, and large, silken blossoms 6 to 12 inches across in late spring and early summer. The plants maintain a graceful branching structure throughout the winter.

no image available Panicum virgatum ‘Heavy Metal’
(Switch grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This rhizomatous perennial grass has a narrowly upright, clumping form. Mid-green stems bear stiff, erect, blue-gray leaves to 24 inches long. Foliage turns yellow in autumn. Weeping panicles of tiny purple-green spikes appear in early autumn.

Parthenium integrifolium Parthenium integrifolium
(Wild quinine, American feverfew)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Wild quinine bears lustrous foliage and long-lasting white flowers throughout the season, even in heat and drought. It is native to moist prairies, low meadows, and open woods from Massachusetts and Minnesota, south to Georgia and Arkansas.

Passiflora caerulea Passiflora caerulea
(Blue passion flower)
(4 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant produces 3- to 4-inch-diameter, slightly scented flowers sporadically during summer, increasing in late summer through autumn. Intricate blossoms have an outer ruffle of petals and sepals; an inner disc of filaments composed of rings of blue, white and purple; and a central “antenna.” Deeply lobed dark green leaves cover stems that grasp supports with tendrils. Blue passion flower can reach 10 feet tall in one season. The ovoid, orange-yellow fruit is edible.

Paulownia tomentosa Paulownia tomentosa
(Empress tree, Foxglove tree, Princess tree, Royal pawlonia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This deciduous tree has thick shoots and large, lobed, bright green leaves. Fragrant pinkish lilac flowers appear in late spring with the foliage. When grown as a perennial, its robust shoots become sturdy stems 2 inches in diameter, with mammoth leaves as much as 2 feet across. Paulownia tomentosa can grow to 12 feet tall in a single season.

no image available Pelargonium sidoides
(Kalwerbossie geranium , Silverleaf geranium)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This exemplary species has felted, gray, crinkled leaves. Over a long period, it exhibits sprays of butterfly-shaped, rich wine-red flowers, which contrast dramatically with the foliage. Its small stature makes it a perfect candidate for a container or a walkway edge. It has been used medicinally for the treatment of various infections, including bronchitis. It is a native of Africa.

Pelargonium tomentosum Pelargonium tomentosum
(Mint-scented geranium, Peppermint geranium)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The velvety leaves of this choice species are pale green with long, silky hairs. The angora-like feel of the foliage is matched by its heavenly aroma of fresh mint. It bears clusters of dainty white blossoms in spring, but remains an exceptional foliage plant throughout the year.

Pennisetum setaceum 'Fireworks' Pennisetum setaceum 'Fireworks'
(Variegated Purple Fountain Grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A refreshing new look to an old time favorite ornamental grass! Pennisetum ‘Fireworks’ is the first variegated purple fountain grass. The midvein is the typical burgundy color and is flanked by hot pink margins. Produces beautiful red-burgundy foxtail flowers. Great accent plant and excellent in containers. -Santa Rosa Gardens

no image available Pennisetum spathiolatum
(Slender veldt grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Native to South Africa, this non-invasive evergreen species produces showy pink flowers in spring, which are held 2 to 3 feet above the foliage on stiff, wiry stalks.

Penstemon 'Garnet' Penstemon 'Garnet'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is a bushy, vigorous perennial with smooth, narrow, dark green leaves and small, tubular, deep wine-red flowers borne in erect spikes, from early summer to late autumn.

Penstemon cardinalis Penstemon cardinalis
(Cardinal penstemon)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This New Mexico/Texas native offers the garden spikes of dangling, rich red flowers in midsummer that attract hummingbirds. Grow in a border, rock garden, or cottage garden. It appreciates a moist but well-drained soil, but can also take more xeric habitats.

Penstemon digitalis 'Husker Red' Penstemon digitalis 'Husker Red'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Husker Red' is one of the few penstemons that does well in wet winters and hot, humid summers. Ruby-toned leaves appear in spring, followed in late spring and early summer by 3-foot-high stems adorned by panicles of white blooms.  The flowers attract bees, hummingbirds, and butterflies, but the plants are not magnets for deer or rabbits. In autumn and winter, songbirds feast on the seed. For a stunning display, plant 'Husker Red' in groups. -Chris Kelley, Regional Picks: Midwest, Fine Gardening issue #120

Penstemon palmeri Penstemon palmeri
(Palmer's penstemon)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A native of the Southwest, Palmer's penstemon sports sharp, prickly, gray leaves and thrives in the harsh conditions. Snapdragon-like pale pink flowers boom in late spring or early summer, and their sweet-honey scent attracts bumblebees. Toothed, sage green leaves skirt the upright stems for the rest of the gardening season.This perennial wildflower is one of the largest penstemons. It looks good in the back of a border or as a focal point, perhaps near a path where its fragrance can be enjoyed or in an informal grouping with other native penstemons and grasses, or with other plantss that have similar maintenance and water requirements. -Katie Nicolich, Plants to know and grow, Fine Gardening issue #120

Perovskia atriplicifolia Perovskia atriplicifolia
(Russian sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The light, lavender-blue flowers, which attract butterflies to the garden, bloom in July, and often last throughout September. Russian sage is a particularly striking plant when grown along with white, yellow, or orange flowered perennials. Tones down bright yellow in the garden as well. Its silver-gray, deeply cut foliage and stiff stems are striking in the winter. -Santa Rosa Gardens

no image available Phellodendron amurense
(Amur cork tree)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This spreading tree with a graceful habit bears glossy, dark green leaflets. Thick shoots grow quickly when young—and more slowly as the tree reaches maturity. In fall, foliage turns a handsome shade of yellow and the tree bears clusters of blue-black berries. Deeply corrugated, pale gray-brown bark is a striking feature; unfortunately, it doesn’t develop until the tree matures.

Physocarpus opulifolius 'Seward' Physocarpus opulifolius 'Seward'
(Summer Wine ninebark)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Many gardeners know ninebark as an undistinguished shrub with ordinary green leaves, white flowers, and fall fruit. But 'Seward,' sold under the trademark name Summer WineTM, has outstanding burgundy leaves and pink flowers that bloom in early summer. This plant is super tough and makes a stunning focal point in a summer border.

Plectranthus forsteri 'Green on Green' Plectranthus forsteri 'Green on Green'
(Swedish ivy)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

As the name implies, this plectranthus has green leaves with lime green edges. Some of the leaves are entirely lime green. It looks great mingling around the feet of perennials, shrubs, and annuals.

Potentilla fruticosa Potentilla fruticosa
(Shrubby cinquefoil)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Shrubby cinquefoil is a bushy deciduous shrub growing to 3 feet tall and 5 feet wide that has been bred to include a multitude of cultivars that bear flowers in a large array of colors including white, yellow, pink, peach, orange, and red. The flowers are small, single, and rose-like and appear continuously from late spring to early fall on finely textured , dark green foliage.  

Ratibida columnifera Ratibida columnifera
(Mexican hat, Prairie coneflower, Long-head coneflower)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This perennial coneflower, sometimes grown as an annual, has a long season of flowers on thin, branching stems. The flowers resemble small hats, with yellow reflexed ray florets and large greenish-brown columnar centers.

Rhus aromatica ‘Gro-low’ Rhus aromatica ‘Gro-low’
(Fragrant sumac)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous shrub hugs the ground (to 2 feet tall) and spreads out to 8 feet, making it an excellent choice for stablizing a bank or smothering weeds. It has small yellow flowers, hairy red fruits, and glossy leaves that change to gorgeous orange-red in autumn. 

Robinia hispida Robinia hispida
(Rose acacia, Bristly locust)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This showy flowering shrub grows to 8 feet tall and wide and features dark green, compound pinnate leaves on bristly stems and pendant clusters of fragrant, pea-like, rose-pink flowers that are attractive to bees and butterflies in late spring and early summer. The flowers are occasionally followed by bristly, reddish-brown seed pods. Native to the southeastern United States, this aggressive shrub spreads by suckers and is considered invasive in Michigan, New Jersey, Ohio, Pennsylvania, and Washington. All parts of this plant are at least mildly poisonous.

Robinia pseudoacacia 'Frisia' Robinia pseudoacacia 'Frisia'
(Golden locust)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This large, fast-growing tree has droopy leaves that stay sunny yellow from spring until frost, spiny shoots, and fragrant white flowers in late spring and early summer on pendent racemes. The flowers are followed by smooth brown seed pods that are also interesting. 'Frisia' is one of the cultivars that is grown more for foliage than for its flowers and it does not flower as freely as the species.

Rubus pentalobus Rubus pentalobus
(Creeping raspberry)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This prostrate evergreen species produces a mass of richly textured leaves, making it an attractive groundcover for formal areas, rock gardens, or woodland beds. The leaves are thick, neatly rounded and formed, with bronzy undersides and autumn color that persists through the winter. In summer, it bears white flowers, which are sometimes followed by red fruits.

Ruellia peninsularis Ruellia peninsularis
(Desert ruellia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This southern California native shrub produces a dense mass of small, glossy leaves and purple, petunia-like flowers in late spring and early summer. Sporadic flowering can occur throughout the season. It grows up to 4 feet tall and 6 feet wide.

Ruta graveolens Ruta graveolens
(Common rue)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Rue is an evergreen shrub with an upright, rounded form and cool, ferny blue-green foliage. Clusters of cup-shaped, four-petaled yellow flowers appear in summer.

no image available Saccharum arundinaceum
(Plume grass, Hardy sugar cane)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In late summer, this large, clump-forming species bears huge plumes of delicate pink flower clusters, which eventually fade to silver.

Saccharum ravennae Saccharum ravennae
(Ravenna grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This large, clump-forming grass has linear leaves with central white stripes. In late summer it bears huge, purplish-bronze flower clusters, which eventually fade to silver. It resents high fertility and shows considerable drought tolerance.

Salix integra 'Hakuro-nishiki' Salix integra 'Hakuro-nishiki'
(Japanese variegated willow)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

The branches of this shrub are slightly upright, taking a softer fountain shape as they lengthen. The leaves are mottled in shades of white, pink, and green, maturing to green and cream. Stems turn a striking red.

no image available Salpiglossis sinuata and cvs.
(Painted tongues)
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Long, narrow leaves grow in rosettes near the ground. Flower stems shoot upward to 2 feet with 3-inch-wide, petunia-like, purple, blue, or scarlet flowers marked with broad veins of gold. Cultivars include 'Splash,' 'Bolero,' and the more compact-growing 'Casino'.

Salvia 'Indigo Spires' Salvia 'Indigo Spires'
('Indigo Spires' sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Indigo Spires' sage is a vigorous hybrid prized for its 12- to 15-inch-long, twisting spikes of dark violet flowers. It is a non-stop bloomer from early summer through fall. Blooming can be further encouraged by pinching stem tips early in the growing season and deadheading the spikes once they fade. 'Indigo Spires' quickly grows to 4 feet high, and can be grown as an annual where not hardy.  

Salvia 'Maraschino' Salvia 'Maraschino'
('Maraschino' bush sage)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Maraschino' bush sage is a superb Salvia that is irresistible to hummingbirds and gardeners alike. Even after dying back to the ground in winter in the cooler zones, this plant comes back in full force each spring, reaching its full height and covering itself with cherry red blooms by midsummer. The flowers bloom nonstop through the first hard frost, and the leaves are sweetly fragrant. Plants do best when given afternoon shade. 'Maraschino' grows to 3 feet tall.

Salvia × superba Salvia × superba
(Hybrid sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hybrid of S. nemorosa and S. sylvestris is a drought-tolerant perennial that lends vivid purple-blue hues to the garden from summer to early fall on 1.5- to 3-foot-tall spikes. Deadheading prolongs bloom. The spikes rise from a clump of silvery green leaves that grows to about 2 feet tall and wide.

no image available Salvia × sylvestris 'Blue Hill'
(Meadow sage)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This drought-tolerant perennial bears abundant pure blue flower spikes in early summer and until fall if spent flowers are removed promptly. It forms an erect clump 20 inches tall by 18 inches wide, with wrinkled, softly hairy leaves.

Salvia × sylvestris 'May Night' Salvia × sylvestris 'May Night'
(Meadow sage)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This drought-tolerant perennial bears deep violet-blue flower spikes in early summer and then sporadically if spent flowers are removed promptly. It forms an erect clump 2.5 feet tall by 1.5 feet wide, with wrinkled, soft hairy leaves.

Salvia argentea Salvia argentea
(Silver sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This biennial or short-lived perennial is grown for its massive, downy-silver rosettes of foliage. In its second year, it spawns plumes of white or pinkish flowers with gray calyces in mid- to late summer. The plant has a spiky form, 3 feet tall by 2 feet wide. Locate it where the rosettes can be easily seen.

Salvia azurea Salvia azurea
(Pitcher sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Pitcher sage is a wonderful wildflower found growing over a wide area of the Great Plains. Blooming in late summer and early fall, this perennial is admired for its sky blue flowers and remarkable xeric qualities. This salvia grows to 30 to 36 inches in height, but may be pinched back for bushier growth.

Salvia canariensis Salvia canariensis
(Canary Island sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This short-lived, tender perennial shrub native to the Canary Islands off the African coast sends up 6-foot white-furred stems cloaked with long, felted, arrow-shaped leaves and topped, summer to frost, with plumes of purplish violet flowers clasped by red-tipped calyxes. It grows up to 4 feet wide.

Salvia chamaedryoides Salvia chamaedryoides
(Germander sage, Mexican blue sage)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This choice species boasts narrow, downy sage-green leaves and true sky-blue blossoms from summer to fall. It has woody stems and forms a beautiful specimen 12 inches tall by 18 inches wide.

Salvia coccinea Salvia coccinea
(Texas sage, Hummingbird sage)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This upright tender perennial provides rich color for annual bedding schemes where it is not hardy. Its deep red flowers are borne on 2- to 2.5- foot, open spikes from summer to autumn. Plants grow to about a foot wide and bear hairy, oval to heart-shaped leaves. Salvias are some of the showiest plants for containers, annual borders, and mixed borders. Butterflies and hummingbirds love them.

Salvia discolor Salvia discolor
(Andean silver-leaf sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tender perennial from Peru is highly unusual for its dramatic, purple-black flowers and pistachio-green calyces. The flowers appear from late summer to early fall. The drama is heighted by its contrasting silvery leaves and stems, which are densely cloaked in woolly, white hairs. Plants grow to about 18 inches tall and 12 inches wide. This specimen looks great tumbling over the edge of a container.

Salvia dorrii Salvia dorrii
(Desert purple sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Found in the Great Basin deserts of the western U.S., Salvia dorrii is by far one of the most beautiful native Salvia species. A small, woody shrub, it comes into bloom in late spring with short spikes of showy purple bracts and blue flowers. The semievergreen foliage is distinctively silvery gray and highly aromatic. It grows to 18 inches high.

Salvia greggii Salvia greggii
(Autumn sage)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native of Texas and Mexico has a woody base and can form a dwarf, evergreen shrub, 1 foot tall by 1 foot wide. It has small, leathery leaves and bears bright flowers in shades of pink, purple, or yellow from early summer to frost.

Salvia jurisicii Salvia jurisicii
(Yugoslavian cutleaf sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This sage is eye-catching in and out of bloom, with its attractive basal rosette of feathery foliage and showy display of dense flower spikes. The flowers come in shades of blue, white, and light pink, but the dark blue strain (S. jurisicii 'Blue') is the most desirable. Best planted in enriched garden loam, Yugoslavian cutleaf sage blooms in late spring.

Salvia koyamae Salvia koyamae
(Japanese yellow sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

At first glance, this Japanese woodland native does not look as if it belongs in a shade garden, but
I find its spreading foliage and light-colored flowers do wonderfully as a small ground cover in dry-shade areas. Creamy yellow flower spikes sporadically appear from summer to fall, but hand-size, hairy green leaves are another attraction of this plant. It contrasts well with so many other fine-textured shade perennials that the flowers can be considered just a bonus. Japanese yellow sage is not choosy about soil pH or type. The spreading stems root as they touch the ground, eventually forming large, wide clumps. You can easily transplant any piece of rooted stem to fill gaps in your shade garden. -Jimmy Turner, Perennials for dry shade, Fine Gardening issue #133

Salvia microphylla var. neurepia Salvia microphylla var. neurepia
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native of the American Southwest and Mexico forms an evergreen shrub or shrubby perennial with dark, glossy leaves that are small (but slightly larger than most microphyllas) and softly toothed. It blooms off and on all summer, and again, more vigorously, in late summer and autumn, in blossoms of cherry-red. Its attractive foliage cloaks the plant to the ground, so it is well suited to the front of the border. It can grow to 4 feet tall and twice as wide.

no image available Salvia nemorosa
(Sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This drought-tolerant perennial produces flower spikes in shades of violet, purple, or white to pink, with purple bracts. It blooms from early summer to autumn; reblooming is most reliable if spent flowers are promptly deadheaded. It has wrinkled leaves and forms an erect clump 3 feet tall by 2 feet wide. This species is most noted for its many S. sylvestris hybrids.

Salvia nemorosa 'Caradonna' Salvia nemorosa 'Caradonna'
(Sage)
(5 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This drought-tolerant perennial is noted for its vivid indigo flowers along deep purple-black stems, which gives it a bicolor appearance. It blooms in early summer and then sporadically if spent flowers are deadheaded. It forms an upright clump, with the flower spikes rising to 2 feet in height; its wrinkled, softly hairy leaves form a mound 1 foot high. Plants spread 1 or 2 feet wide. These are some of the showiest plants for containers and mixed borders. Butterflies love them. 

Salvia officinalis Salvia officinalis
(Common sage, Culinary sage, Purple sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Cooks and gardeners alike are indebted to this classic, evergreen perennial for the unique, pungent flavor and aroma that its gray-green leaves produce. It forms a 2.5-foot-tall by 3-foot-wide bush with woody stems that may be trimmed back to newly emerging growth or strong stems in spring. In early to mid-summer, it sends up lavender-purple flower spikes; it has both ornamental and culinary qualities in an herb garden. It tolerates alkaline soils, but not wet winter conditions.

Salvia officinalis 'Berggarten' Salvia officinalis 'Berggarten'
(Common sage, Culinary sage, Purple sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Cooks and gardeners alike are indebted to this evergreen perennial for the unique, pungent flavor and aroma that its gray-green leaves produce. S. 'Berggarten' is more compact than the species, forming a 2-foot tall by 3-foot wide bush with woody stems that may be trimmed back to newly emerging growth or strong stems in spring. In early to mid-summer, it sends up purple flower spikes. It boasts attractively rounded leaves and, like the species, has both ornamental and culinary qualities in an herb garden. It tolerates alkaline soils, but not wet winter conditions.

Salvia officinalis 'Icterina' Salvia officinalis 'Icterina'
(Golden variegated sage, Common sage, Culinary sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Cooks and gardeners alike are indebted to this evergreen perennial for the unique, pungent flavor and aroma that its gray-green leaves produce. This charming cultivar has green leaves with irregular yellow margins. It forms a 1.5- to 2-foot-tall and wide bush with woody stems that may be trimmed back to newly emerging growth or strong stems in spring. In early to mid-summer, it occasionally sends up lavender-purple flower spikes; it has both ornamental and culinary qualities in an herb garden. It tolerates alkaline soils, but not wet winter conditions.

Salvia officinalis 'Purpurascens' Salvia officinalis 'Purpurascens'
(Common sage, Culinary sage, Purple sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Cooks and gardeners alike are indebted to this evergreen perennial for the unique, pungent flavor and aroma that its gray-green leaves produce. This cultivar has leaves suffused with steely-gray purple. It forms a 1.5-foot-tall and wide bush with woody stems that may be trimmed back to newly emerging growth or strong stems in spring. In early to mid-summer, it sends up lavender-purple flower spikes; it has both ornamental and culinary qualities in an herb garden. It tolerates alkaline soils, but cannot survive wet winter conditions.

Salvia officinalis 'Tricolor' Salvia officinalis 'Tricolor'
(Common sage, Culinary sage, Purple sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Cooks and gardeners alike are indebted to this evergreen perennial for the unique, pungent flavor and aroma that its gray-green leaves produce. This cultivar has ornamental value, too—green leaves with white margins which are suffused with pink or purple. It forms a 1- to 1.5-foot-tall and wide bush with woody stems that may be trimmed back to newly emerging growth or strong stems in spring. In early to mid-summer, it sends up lavender-purple flower spikes; it has both ornamental and culinary qualities in an herb garden. It is tolerant of alkaline soils, but cannot survive wet winter conditions.

Salvia pachyphylla Salvia pachyphylla
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Giant-flowered purple sage has been winning over gardeners the past few years for its remarkable summer blooms and tough-as-nails demeanor. Native to the dry foothills and mountains of southern California, this sage is considered a woody shrub. It features showy, aromatic silver foliage and bicolored flower spikes with lavender-purple calyces and long, hummingbird-pollinated blue flowers. It grows from 24 to 36 inches high.

Salvia pratensis Salvia pratensis
(Meadow clary)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This woody-stemmed perennial produces sticky spikes of deep violet or, rarely, white to pink flowers. It blooms from early summer to autumn; reblooming is most reliable if spent flowers are deadheaded promptly. It has wrinkled leaves and forms an upright clump 3 feet tall by 1 foot wide. This salvia is most noted for its many hybirds with S. nemerosa.  

Salvia reptans Salvia reptans
(West Texas cobalt sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

West Texas cobalt sage is a marvelously distinct species that can be enjoyed by gardeners farther north, as long as they purchase the west Texas form, which is quite cold-hardy. This salvia has rigid stems with narrow, pungent leaves and resembles a bright green, upright grass for much of the growing season. In early fall, cobalt blue flowers burst open almost overnight and are a big draw for hummingbirds. Thanks to its deep roots, this wildflower is extremely xeric. West Texas cobalt sage grows to 4 feet tall.

Santolina chamaecyparissus Santolina chamaecyparissus
(Lavender cotton)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fine-textured, mound-forming shrub has gray foliage and yellow, button-like flowerheads formed by tubular flowers appearing in summer.

Saruma henryi Saruma henryi
(Upright wild ginger)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Saruma henryi is as sublime as it is uncommon. Its velvety leaves and distinctively shaped, soft yellow flowers make it a superb specimen in a shady border, where it can contrast with more finely textured plants.

Scabiosa ‘Butterfly Blue' Scabiosa ‘Butterfly Blue'
(Pincushion flower)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This Scabiosa cultivar is a compact perennial with gray-green leaves and a long bloom period featuring pretty lavender-blue flowers that look like pincushions surrounded by frilly petals. It's nice when used as edging or in large groups in borders or rock gardens.

Schizachyrium scoparium Schizachyrium scoparium
(Little bluestem, Prairie beard grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Little bluestem is a tidy, finely textured clumping grass with a blue-green summer color. Its silvery seed heads rise to a height of nearly 2 feet in late summer and are at their best when backlit in the morning or afternoon sun. In fall, the grass turns a rosy rust color that lasts all winter.

Sedum 'Autumn Delight' Sedum 'Autumn Delight'
(Stonecrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large, bright-pink clusters of flowers are accentuated by lime-green leaves with a dark-green serrated edge.

Information provided by Santa Rosa Gardens.
 

Sedum 'Postman's Pride' Sedum 'Postman's Pride'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Postman's Pride' sedum is a wonderful dark-foliaged plant for sunny, dry locations. It has a semi-upright habit and produces masses of red to purple flowers from late summer through fall. The flowers attract honeybees and butterflies. Like other sedums, 'Postman's Pride' is useful in rock and xeriscape gardens because, once established, it thrives without irrigation except during severe droughts. Curious about the cultivar name? This plant was discovered by a Belgian postal carrier in his garden. -Ron Smith, Regional Picks: Upper Plains, Fine Gardening issue #120

Sedum ‘Ruby Glow’ Sedum ‘Ruby Glow’
(Stonecrop)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In summer to late summer, this low-growing Sedum has rosy-red flowers atop small, fleshy blue-green leaves with ruddy highlights. Plants grow 8-12 inches tall and 18 inches wide.

Sedum cauticola Sedum cauticola
(Stonecrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This Japanese native is perfect for the rock garden. It is a compact species with blue-green foliage and pink stems, and bears purplish-red flowers in fall. Sedum cauticola grows to about 3 inches tall and a foot wide.

Sedum kamtschaticum Sedum kamtschaticum
(Stonecrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tough, drought-tolerant species has glossy deep green leaves and, in early summer, half-inch golden yellow flowers that open from pink buds. It grows to about 6 inches tall and a little wider and makes a good groundcover. 

Sedum kamtschaticum 'Variegatum’ Sedum kamtschaticum 'Variegatum’
(Stonecrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This variety is more compact than the species, and its leaves are variegated with creamy margins. In late spring to summer, its star-shaped yellow flowers open from pink buds and mature to crimson. It grows to just 4 inches tall and 12 inches wide.

Sedum kamtschaticum 'Weihenstephaner Gold' Sedum kamtschaticum 'Weihenstephaner Gold'
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-growing sedum has dependable, dark bronzy green foliage and prolific flowering. New spring growth is a welcome, cheerful red. Prolific, star-shaped flowers are golden yellow with pinkish orange overtones and cover the plant twice during the growing season. Plants grow to just 2-4 inches tall and 10 inches wide.

Sedum rupestre Sedum rupestre
(Rocky stonecrop, Stone orpine)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a vigorous, mat-forming evergreen species with small gray-green leaves and terminal clusters of star-shaped, vibrant yellow flowers in summer. The drooping buds face upward when they open. It grows to 4 inches tall and 2 feet across.

Sedum rupestre 'Angelina' Sedum rupestre 'Angelina'
(Stone orpine)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This vigorous, mat-forming, evergreen species has electric golden-yellow foliage that holds its color through the heat of summer. The foliage tips sometimes develop an orangey hue. In June and July, 'Angelina' has terminal clusters of star-shaped, vibrant yellow flowers. The drooping buds face upward when they open and the plant can grow to 6 inches tall and 12 inches wide. It is superlative as a groundcover, spilling over rock walls, and in containers. It also makes an excellent accent for plants with dark foliage.

Sedum sieboldii Sedum sieboldii
(October Daphne, Stonecrop)
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This lovely mound-like species splays out from the center like a miniature fountain. It has half-inch rosy flowers in fall and blue-green leaves with matching rosy margins. Frosty temperatures bring out pink in the leaves. Sedum sieboldii grows to 4 inches tall and about twice as wide.

Sedum spectabile Sedum spectabile
(Showy stonecrop, Everlasting)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

An upright species to 18 inches tall and wide, this plant bears pink flowers in August that persist into fall. Thick, almost succulent leaves are bluish green. S. spectabile was crossed with S. telephium to create the very popular 'Autumn Joy.'

Sedum spurium 'Fuldaglut' Sedum spurium 'Fuldaglut'
(Two-row stonecrop)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This mat-forming species forms a carpet of rosy-red flowers in late July and August, contrasting against green leaves with bronzy-maroon highlights.

Sedum tetractinum Sedum tetractinum
(Fish-scale sedum)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Plant a succulent sedum in the shade? Yes. Ground-cover sedums do well in dry-shade areas, especially in places that have high summer heat. Shallow, dry soils are no problem for this plant, as it stores extra water in its foliage. Fish-scale sedum spreads by runners forming a mat of overlapping, rounded foliage, which resembles fish scales. Bright yellow flower spikes appear over the shiny foliage during summer, and the cooler weather of autumn transforms the evergreen foliage to reddish bronze. I tuck this plant between exposed roots of deciduous trees, where little else will grow. Make sure not to plant in moist or waterlogged soils as it will rot easily. Any piece of this plant will root to form a new colony, so it is easy to spread about the shade garden. -Jimmy Turner, Perennials for dry shade, Fine Gardening issue #133

Sempervivum 'Black' Sempervivum 'Black'
('Black' hens & chicks)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Hens & chicks are always a welcome sight, and this exciting 'Black' variety is a newer take on the old favorite.

 Sempervivumarachnoideum 'Forest Frost'

 

Sempervivum arachnoideum 'Forest Frost'
('Forest Frost' spiderweb hens & chicks)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Hens & chicks make a charming addition to any container, rock garden, or footpath. This 'Forest Frost' spiderweb variety is extra special for its deep green color and the cottony web that hangs taught between the points of its rosettes.

Silene armeria Silene armeria
(Sweet William catchfly, None-so-pretty)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Sweet William catchfly's vivid dark pink flower clusters beautify the garden in late summer. It is a herbaceous perennial most often grown as an annual, as it readily propagates from seed. Native to Europe, it has escaped gardens and naturalized in eastern and central North America, as well as the Pacific Northwest.

no image available Silene regia
(Royal catchfly)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This North American prairie native produces 2-inch-wide, brilliant cardinal-red flowers that stand out in the summer garden. The common name comes from the sticky glands below the flowers that catch small insects. The plant grows 2 to 4 feet tall and half as wide.

Sisyrinchium graminoides Sisyrinchium graminoides
(Blue-eyed grass)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump forming, semi-evergreen, grass-like perennial blooms in summer, with a long succession of yellow-centered blue flowers. It grows to 20 inches high and 6 inches wide, and self-sows easily.

no image available Sisyrinchium striatum
(Satin flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In early summer, these grass-like perennials produce multiple spikes of small, pale yellow blooms with dark yellow centers and faint purple stripes. The flowers rise above gray-green foliage. Native to open woods, meadows, and prairies of South America, these adaptable wildflowers tolerate a wide range of conditions and naturalize easily. The summer blossoms each open for just one day with the morning sun and close at dusk. Rarely do the blooms open on cloudy days. Plants grow to 3 feet tall and 10 inches wide.

Solidago cutleri 'Goldrush' Solidago cutleri 'Goldrush'
(Goldenrod, Alpine goldenrod, Cutler's alpine goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Goldrush' heralds the coming of fall with masses of tiny, yellow flowers for four weeks in August and September. Its compact size—about a foot tall—makes it a great candidate for a rock garden or border edge.

Solidago flexicaulis Solidago flexicaulis
(Goldenrod, Zigzag goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species is aptly named for its distinctive crooked stems that bend back and forth at 45° angles between nodes. It bears starry, medium-yellow flowers atop 1- to 3-foot tall stems. 

Solidago juncea Solidago juncea
(Goldenrod, Early goldenrod, Yellow top)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is the first goldenrod to bloom, featuring bright yellow, plume-like panicles in midsummer. It has dark green leaves along reddish stems, which form a vase-shaped clump when mature. 

Solidago nemoralis Solidago nemoralis
(Goldenrod, Gray goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the smallest species of goldenrod, topping out at only 4 to 6 inches high in poor soils, and 2 feet high in fertile soils. It is considered a garden-worthy species, with gray-green leaves that form clumps and languid, one-sided yellow plumes. It is tolerant of both sandy and clay soils.

Solidago rigida Solidago rigida
(Goldenrod, Stiff goldenrod)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This lovely goldenrod has velvety leaves that are gray-green in summer and dusky rose in autumn. It has broad, flattened clusters of rich yellow flowers, which create a striking display on stems 2 to 5 feet tall.

Solidago rugosa 'Fireworks' Solidago rugosa 'Fireworks'
(Goldenrod, Rough-stemmed goldenrod)
(30 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This eye-catching cultivar has flower clusters that radiate out in all directions and resemble streaming yellow fireworks. Its form is truly unique and enchanting. It reliably provides end-of-season color in blazing shades of yellow. It grows to 5 feet tall and provides good structure in the garden all year.

no image available Solidago speciosa
(Goldenrod, Showy goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This garden-worthy species has dramatic, bright yellow flowers that are arranged into erect, pointed clusters. It has deep reddish stems that grow to 3 feet tall. It blooms in late summer and early autumn.

Solidago sphacelata 'Golden Fleece' Solidago sphacelata 'Golden Fleece'
(Goldenrod, Creeping goldenrod)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This outstanding cultivar forms a neat, 1-foot tall groundcover. It has dense, branched panicles that splay upward and outward whimsically, resembling a mass of elegantly bunched bouquets. 

Sorghastrum nutans 'Indian Steel' Sorghastrum nutans 'Indian Steel'
(Indian grass)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Golden yellow plumes and a vase-like form give 'Indian Steel' a refined look. On the flower spikes, bright yellow pollen sacs stand out against the darker seed heads. Metallic blue foliage morphs to a coppery tan shade after frost. 'Indian Steel' tolerates a range of soil types, including heavy clay. -Scott Vogt, Native grasses, Fine Gardening issue #124

Sphaeralcea ambigua Sphaeralcea ambigua
(Desert mallow, Globe mallow)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This shrubby, woolly perennial is native to the warmest, dry regions of the US and Mexico. Its large, rose-like salmon-colored flowers appear in loose clusters from spring to frost. It grows to 3 feet tall and almost as wide, and can bloom nearly year-round in warm regions.

no image available Symphoricarpos × doorenbosii 'Kordes'
(Amethyst coralberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This hybrid produces vivid deep purple-pink fruit from late summer on. It forms a thicket (which may be sheared) 3 to 5 feet high and wide. 

Talinum paniculatum Talinum paniculatum
(Fameflower, Jewels of Opar)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tuberous-rooted tender perennial is related to portulaca, but has fleshy green leaves and delicate, wiry flower stalks. Stalks have a fine, see-through texture. Minute hot pink flowers are followed by carmine-colored seed pods that are showier than the flowers. The variety 'Kingwood Gold' has chartreuse foliage. Plants can grow to 3 feet tall and 2 feet wide.

Tetrapanax papyrifer Tetrapanax papyrifer
(Rice-paper plant)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Large—to 20 inches across—almost rounded, lobed leaves colored a downy gray-tinged green contrast beautifully with almost any companion plant. This thicket-forming, sparsely branched, evergreen shrub, which behaves like an herbaceous perennial in Zones 6 and 7, produces thick, leafy shoots topped by white flowers borne on branching stems to 20 inches long in fall.

Teucrium chamaedrys Teucrium chamaedrys
(Wall germander)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen or deciduous subshrub is grown for its attractive, dark green aromatic foliage and its light pink to deep purple flowers, which blossom in summer and early fall. This garden workhorse can be used in troughs, containers, low hedges, knot gardens, rock gardens, or as edging.

no image available Teucrium chamaedrys var. compactum
(Wall germander)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact, evergreen subshrub has glossy, dark green leaves and grows to only 5 inches tall and 16 inches wide. It bears long-lasting, lavender flowers, and it is a great choice for low edging or for a rock garden. 

no image available Thuja occidentalis 'Bobazam'
(American arborvitae, Eastern arborvitae, White cedar)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen shrub with finely textured sage green foliage forms a perfect, 3-foot-diameter, slow-growing globe, hence its name, Mr. Bowling Ball®.

Thymophylla tenuiloba Thymophylla tenuiloba
(Dahlberg daisy, Golden fleece, Shooting star)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This fragrant annual is covered with delicate, daisy-like yellow blossoms in July and August. It is best grown as a groundcover, between paving stones, or in a rock garden. It has needle-like, almost ferny leaves and grows to 1 foot tall and wide.

Thymus 'Pink Ripple' Thymus 'Pink Ripple'
(Thyme)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

In early- to mid-summer, this mat-forming thyme erupts with masses of 6-inch-high spikes covered with pink flowers. The light green, tiny foliage, hugging the ground in mats, has a pleasing lemon fragrance when crushed. This plant shines when spilling over stone walls or between the cracks in paving stones, where passersby can tread on the leaves and release the lemony scent.

Thymus × citriodorus 'Argenteus' Thymus × citriodorus 'Argenteus'
(Silver thyme, Lemon-scented thyme)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant is an elegant addition to an herb or ornamental garden. It has lemon-scented green leaves edged in silver and produces lilac flowers in early summer.

no image available Thymus polytrichus subsp. britannicus
(Mother of thyme, Thyme)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This thyme grows to 6 inches tall, with fuzzy stems and tiny, rounded, fuzzy blue-green leaves. In summer, it produces clusters of very small white to lilac-pink flowers. Plants spread to about 9 inches wide. The leaves are aromatic but the strength of their scent varies according to the plant's site and the time of year. 

Thymus pseudolanuginosus Thymus pseudolanuginosus
(Woolly thyme)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Woolly thyme—the wooliest of all thymes—forms a dense ground-covering mat of tiny, densely hairy leaves. The foliage has barely any fragrance and is unsuitable for culinary use. In summer, tiny pink tubular flowers appear. Plants grow to only one inch or so in height and spread to about a foot across.

Thymus serphyllum 'Annie Hall' Thymus serphyllum 'Annie Hall'
(Mother of thyme, Wild thyme, Serpolet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Annie Hall' forms a prostrate mat with small, narrow leaves and is covered with pale purple-pink flowers in late spring. Plants can grow to 10 inches tall and 18 inches wide.

Thymus serpyllum 'Pink Chintz' Thymus serpyllum 'Pink Chintz'
(Mother of thyme, Wild thyme, Serpolet)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

One of the first thymes to flower each year, this charming and reliable cultivar bursts into bloom in early spring with unique salmon-pink flowers. Its fuzzy olive-green foliage forms a mat 1 to 2 inches tall and 18 inches wide. It is one of the most tolerant of thymes of dry conditions, but grows robustly with plenty of water.

Tithonia rotundifolia 'Torch' Tithonia rotundifolia 'Torch'
(Mexican sunflower)
(1 user review)

'Torch' is a quick-growing annual that produces vivid red or orange-red dahlia-like flowers from mid-summer on. Its leaves are somewhat attractive, being dark green and lobed. Plants can reach up to 6 feet tall and 2 feet wide in just a few months. 

no image available Tropaeolum majus 'Alaska Mix'
(Indian cress, Nasturtium)
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This old-fashioned cultivar of the species has a mounding habit and grows 10-12 inches tall. In summer and early fall, it bears deep red and orange blossoms, which are offset by rounded leaves with white variegation. The leaves and flowers are edible. 

Tropaeolum majus 'Mahogany Jewel' Tropaeolum majus 'Mahogany Jewel'
(Indian cress, Nasturtium)
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This old-fashioned cultivar of the species has a mounding habit and grows 12-18 inches tall and wide. In summer and fall, it bears mahogany red, single to semi-double flowers. The rounded leaves and spurred, five-petaled flowers are edible.

Tropaeolum majus 'Milk Maid' Tropaeolum majus 'Milk Maid'
(Indian cress, Nasturtium)
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This old-fashioned cultivar of the species has a mounding habit and grows to 12 inches tall and wide. In summer and fall, it bears pale yellow blossoms. The rounded leaves and spurred, five-petaled flowers are edible.

Tropaeolum majus 'Strawberries and Cream' Tropaeolum majus 'Strawberries and Cream'
(Indian cress, Nasturtium)
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This old-fashioned cultivar of the species has a mounding habit and grows to 12 inches tall and wide. In summer and fall, it bears creamy-yellow blossoms with red blotches. Both the rounded leaves and spurred, five-petaled flowers are edible.

Tropaeolum majus 'Vanilla Berry' Tropaeolum majus 'Vanilla Berry'
(Indian cress, Nasturtium)
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This cultivar of the old-fashioned species has a mounding habit and grows to 12 inches tall. It bears cream blossoms with strawberry blotches. 

Tropaeolum majus 'Vesuvius' Tropaeolum majus 'Vesuvius'
(Indian cress, Nasturtium)
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This old-fashioned cultivar has a mounded habit and grows to 12 inches tall and about as wide. In summer and fall, it bears blossoms of tangerine to deep salmon. Both the rounded leaves and spurred flowers are edible.

no image available Tulipa batalinii 'Bright Gem'
(Tulip)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This named variety of the species has soft sulfur-yellow flowers up to 3 inches across. The spring blossoms sit 4-6 inches high, surrounded by wavy-edged, gray-green foliage that reaches 8-10 inches tall. Species tulips prefer sharp drainage and plenty of room to grow. Most do well in rock gardens, small displays, and containers.

no image available Tulipa linifolia
(Tulip)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species tulip blooms in mid- to late spring with fire-engine-red flowers that look like open, pointed stars with purple centers. It reaches 4-6 inches tall and not quite as wide. Species tulips prefer sharp drainage and plenty of room to grow; they will often naturalize. Most do well in rock gardens, small displays, and containers.

Vaccinium corymbosum Vaccinium corymbosum
(Highbush blueberry)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Highbush blueberry provides four seasons of fanfare, starting with twisted, peeling stems in winter; profuse white or pink blossoms in spring; savory blue fruit in summer; and long-lasting foliage the color of a rich red wine in fall. The maroon to scarlet fall shades are effective for a solid month or more, as the leaves (especially in full sun) are reluctant to fall. The best fruit set occurs when you plant at least two cultivars that will bloom concurrently to ensure cross-pollination.

Verbascum 'Sugar Plum' Verbascum 'Sugar Plum'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dwarf mullein is just 15 inches tall but it packs a big floral punch. In early spring, violet-purple flowers with dark purple anthers emerge unfazed by late frosts and continue into the summer.

Verbascum chaixii Verbascum chaixii
(Chaix mullein, Nettle-leaved mullein, Mullein)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the few truly perennial species of mullein. Pale yellow blossoms with purple filaments bloom profusely on long flower stalks in mid- and late summer, reaching about 3 feet high. Individual flowers are short-lived but numerous, and flowering takes place over a long time. Verbascum chaixii's glossy, dark green rosettes are semi-evergreen. 

Verbascum phoeniceum Verbascum phoeniceum
(Purple mullein, Mullein)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This biennial or short-lived perennial species is one of the earliest mulleins to bloom. Its showy blossoms of dark-purple, violet, pink, or white open along slender 3-foot spires for about two weeks in early summer. Its shiny dark green leaves are ground-hugging and evergreen. It has naturalized in some regions of the U.S.

no image available Verbena canadensis 'Apple Blossom'
(Rose vervain)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This low-growing perennial produces long-lasting light pink blossoms with dark pink centers. It is an heirloom cultivar of the native species. Verbenas are excellent for annual borders, containers—especially hanging baskets—and some for the mixed herbaceous border.

Verbena speciosa 'Imagination' Verbena speciosa 'Imagination'
(Verbena)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This outstanding hybrid blooms from spring until frost and has beautifully dissected foliage. Innumerable clusters of purple blossoms cover this plant and look fantastic cascading over the edges of a hanging basket. Verbenas are excellent for annual borders, containers—especially hanging baskets—and for the mixed herbaceous border.

no image available Veronica pectinata
(Blue woolly speedwell, Woolly speedwell)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dense, mat-forming species has 3-inch-tall evergreen foliage with toothed gray leaves. Its saucer-shaped flowers are deep blue with white eyes, and they bloom from early spring to summer. It is drought tolerant and makes a good groundcover. In garden sites, it needs protection from winter moisture.

no image available Veronica peduncularis 'Georgia Blue'
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Georgia Blue' forms beautiful mats of purple-tinged leaves. In spring, this free-flowering groundcover boasts abundant iridescent blue flowers. It grows to about 9 inches high and a foot wide. It is a vigorous and easy-to-grow cultivar.

Vinca minor 'Illumination' Vinca minor 'Illumination'
(Common periwinkle, creeping myrtle)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Like other creeping myrtles, 'Illumination' is a tough evergreen ground cover for shade that will grow in almost any soil. Its hallmark is its bright gold leaves that are edged with a border of irregular green. Periwinkle-blue flowers appear in spring. Use 'Illumination' as a shade ground cover or in hanging baskets. -Tom Nelson, Regional Picks: Northern California, Fine Gardening issue #127

Vinca minor and cvs. Vinca minor and cvs.
(Creeping myrtle, Lesser periwinkle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Creeping myrtle is a fast-spreading, 4- to 8-inch-tall, evergreen groundcover with shiny green leaves borne in pairs on long, arching stems. Star-like, 1-inch-wide blue flowers bloom for one month in spring. Cultivars include 'Bowles,' which blooms sporadically throughout the growing season, and variegated vinca, with creamy white-and-green leaves.

Viola ‘Etain’ Viola ‘Etain’
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A hardworking, compact perennial, ‘Etain’ violet forms well-behaved clumps and blooms from time to time from spring through fall. The attractive, fleshy, bright green foliage needs protection from slugs. -Sylvia Matlock, Regional Picks: Northwest, Fine Gardening issue #127

x Heucherella 'Sweet Tea' x Heucherella 'Sweet Tea'
('Sweet Tea' heucherella)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Anyone who gardens in the shade is familiar with heucherella. ‘Sweet Tea’ was bred using Heuchera villosa, a native of the eastern United States, as one of its parents, which has added enough resistance to heat, drought, and humidity to make it able to handle even the extreme climate of Texas. ‘Sweet Tea’ has large, stained, orange-bronze leaves with dark burgundy veins and short spikes of small white flowers that appear in early spring. Its brightly colored foliage, however, is the main reason to have this plant. Give it well-drained soil, and lift and divide it every couple of years. -Jimmy Turner, Perennials for dry shade, Fine Gardening issue #133

Yucca filamentosa ‘Color Guard’ Yucca filamentosa ‘Color Guard’
(Adam's needle)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This dramatic architectural plant is one of the most beautiful variegated yuccas on the market. Its sword-shaped leaves bear bold central stripes of bright canary-yellow against a rich celadon edge. In cool weather, margins are tinged pink, and the entire yellow stripe turns rose-colored on many of the leaves, lasting through early spring. Plants grow to 2 feet wide and nearly as tall. Branched clusters of nodding, creamy-white bells open in mid-summer on stout stems that reach 6 feet tall.

Yucca filamentosa ‘Golden Sword’ Yucca filamentosa ‘Golden Sword’
(Adam's needle, Bear grass, Weak-leaf yucca, Golden Sword soapwort)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This easy to grow evergreen yucca bears dramatic, sword-shaped yellow leaves with a dark green edge. Not as staunchly upright as some yuccas, its leaf tips sometimes droop with age. Its foliage color is best from fall to spring. Plants grow to nearly 2 feet in height and 3 feet in width. In summer, it produces a 6-foot-tall spike covered with nodding, fragrant, white bell-shaped flowers.

Yucca glauca Yucca glauca
(Soapweed)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clumping evergreen shrub with narrow leaves produces a startling, 3- to 4-foot-tall flower stalk. The fragrant flowers are pale green or greenish white. It is a tenacious weed in areas of the American West, but adds a touch of the desert to gardens. Soap can be made from its roots and the foliage is used in basket-making.

Yucca gloriosa Yucca gloriosa
(Mound lily, Spanish dagger)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This sculptural plant bears sword-like leaves to 24 inches long in shades of blue- or gray-green and maturing to dark green, with smooth margins. In summer, the plant produces 8-foot spikes of nodding, bell-shaped, fragrant white flowers, sometimes tinged purple, to 2 inches long.

no image available Zauschneria arizonica
(Hardy hummingbird trumpet, Arizona fuchsia, Firechalice, Wild fuchsia)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This heat-loving native Southwestern species has gray-green leaves and grows to 3 feet tall and 2 feet wide. Orangey red, tubular blossoms cover the plant in late summer and early fall.

Zephyranthes reginae Zephyranthes reginae
(Rain lily, Rainflower, Valles yellow rain lily, Zephyr lily)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

These Mexican native bulbs actually offer demanding gardeners flowers on demand. They produce strappy foliage to 12 inches tall and clusters of buttery-yellow, starry, crocus-like blossoms two to three days after every rain in summer and early autumn. Or, if it doesn't rain, simply water and fertilize three days prior to your intended display, and the moisture will prompt the flowers to appear, hence the common name, rainflower. These bulbs are widely adaptable to diverse soil conditions, and may be grown in full sun to partial shade, but they prefer some shade.

Zinnia elegans Zinnia elegans
(Zinnia)
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This upright, 30-inch-tall, bushy annual cloaks itself all summer in purple blossoms up to 2 inches across. But more important, it is the forebear of scores of varieties that can be found in almost any place you can buy seeds. There's the Whirligig Series, the California Giants, the Profusion Series, the State Fair Series—the list goes on and on.

no image available Zinnia elegans 'Dreamland Series'
(Bedding zinnia)
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This annual series is comprised of dwarf, compact plants, 10 to 12 inches tall and half as wide. They bloom all summer with fully double blossoms, to 4 inches wide, in apricot, ivory, red, yellow, pink, and many shades in between.

Zinnia grandiflora Zinnia grandiflora
(Prairie zinnia)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This native perennial wildflower of the American Southwest bears a profusion of bright yellow to golden yellow flowers atop 4-inch high plants that spread to 15 inches wide. They bloom from late summer into fall. 

Zinnia Profusion Series Zinnia Profusion Series
(2 user reviews)

The needlelike leaves of these Profusion Series zinnas lend a soft textural feel that contrasts nicely with the glowing hot colors of the flowers. The vibrant flowers are about 2 inches in diameter, and the plants grow to just 12 to 15 inches tall and wide. Use them en masse in borders and beds, or plant them in containers. -Julia Jones, Designing with annuals, Fine Gardening issue #120

Ziziphus obtusifolia Ziziphus obtusifolia
(Graythorn)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Appropriately named, this open shrub has grayish green leaves and stiff, thorn-tipped branches. With inconspicuous, pale yellow-green flowers in late spring, the pea-size fruits that follow are a showy blue-black. These fruits appeal to birds, and the thorny branches are ideal protection for nesting. Graythorn is a fine backdrop for bold plantings of succulents.


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